General properties of waves — Paper 2 · IGCSE Physics 0625

21 Which is a unit of wavelength? A hertz B metre C metre per second D second

1 marks

Answer: B

This question in 0625/22 Feb/March 2016

24 A sound wave travels from a point X to a point Y. X Y Which diagram represents the movement of the air molecules, due to the sound wave, in the region between X and Y? A B C D

1 marks

Answer: D

This question in 0625/22 Feb/March 2016

20 Sound waves of frequency 2.0 kHz travel through a substance at a speed of 800 m / s. What is the wavelength of the waves? A 0.40 m B 2.5 m C 400 m D 1600 m

1 marks

Answer: A

This question in 0625/21 May/June 2016

21 Which row shows the natures of light waves, sound waves and X-rays? light waves sound waves X-rays A longitudinal longitudinal transverse B longitudinal transverse longitudinal C transverse longitudinal transverse D transverse transverse longitudinal

1 marks

Answer: C

This question in 0625/21 May/June 2016

24 A sound wave travels through air as a series of compressions and rarefactions. Which row correctly compares the air pressure in a compression and the air pressure in a rarefaction to the air pressure nearby where there is no sound wave? air pressure in air pressure in a compression a rarefaction A higher higher B higher lower C lower higher D lower lower

1 marks

Answer: B

This question in 0625/21 May/June 2016

21 The frequency of a wave is doubled. The speed of the wave does not change. What happens to the wavelength of the wave? A It becomes four times as large. B It does not change. C It doubles. D It halves.

1 marks

Answer: D

This question in 0625/22 May/June 2016

22 Which row shows the natures of light waves, sound waves and X-rays? light waves sound waves X-rays A longitudinal longitudinal transverse B longitudinal transverse longitudinal C transverse longitudinal transverse D transverse transverse longitudinal

1 marks

Answer: C

This question in 0625/22 May/June 2016

20 A water wave passes into a region where the wave travels more slowly. As it passes into the slow region, what happens to the frequency and what happens to the wavelength of the wave? frequency wavelength A decreases remains the same B increases remains the same C remains the same decreases D remains the same increases

1 marks

Answer: C

This question in 0625/23 May/June 2016

21 Which row shows the natures of light waves, sound waves and X-rays? light waves sound waves X-rays A longitudinal longitudinal transverse B longitudinal transverse longitudinal C transverse longitudinal transverse D transverse transverse longitudinal

1 marks

Answer: C

This question in 0625/23 May/June 2016

21 The diagram represents plane wavefronts being diffracted by passing through a gap in a barrier. barrier wavefronts gap Which pair of changes must increase the amount of diffraction that occurs? A decrease the wavelength and decrease the size of the gap B decrease the wavelength and increase the size of the gap C increase the wavelength and decrease the size of the gap D increase the wavelength and increase the size of the gap

1 marks

Answer: C

This question in 0625/21 Oct/Nov 2016

25 A girl notices that, when she shouts into a cave, she hears an echo. Which wave property causes the echo? A diffraction B dispersion C reflection D refraction

1 marks

Answer: C

This question in 0625/21 Oct/Nov 2016

20 Which wave has an amplitude equal to half its wavelength? displacement 1.0 / cm A 0 0 1 2 3 4 distance / cm –1.0 displacement 1.0 / cm B 0 0 1 2 3 4 distance / cm –1.0 displacement 1.0 / cm C 0 0 1 2 3 4 distance / cm –1.0 displacement 1.0 / cm D 0 0 1 2 3 4 distance / cm –1.0

1 marks

Answer: B

This question in 0625/22 Oct/Nov 2016

21 Which diagram shows what happens when plane waves pass the edge of the object shown? A B object object C D object object

1 marks

Answer: D

This question in 0625/22 Oct/Nov 2016

25 A girl notices that, when she shouts into a cave, she hears an echo. Which wave property causes the echo? A diffraction B dispersion C reflection D refraction

1 marks

Answer: C

This question in 0625/22 Oct/Nov 2016

26 Which property of a sound wave affects the loudness of the sound? A amplitude B frequency C speed D wavelength

1 marks

Answer: A

This question in 0625/22 Oct/Nov 2016

20 A man is talking at the side of a house. He can be heard by a woman at the front of the house even though she cannot see him. What is the explanation for this? A Sound waves are longitudinal and light waves are transverse. B Sound waves are transverse and light waves are longitudinal. C The sound waves have a long wavelength and the light waves have short wavelength. D The sound waves have a short wavelength and the light waves have long wavelength.

1 marks

Answer: C

This question in 0625/23 Oct/Nov 2016

19 A person uses a surfboard to ride every 30th wave crest towards the beach. The wave crest travels at a speed of 1.6 m / s and the distance between each wave crest is 24 m. How many wave crests does the person surf in one hour? A 1 B 2 C 8 D 450

1 marks

Answer: C

This question in 0625/22 Feb/March 2017

20 In a shallow tank, a water wave moves towards a barrier with a narrow gap. barrier water wave Which diagram shows the wave beyond the barrier? A B C D

1 marks

Answer: D

This question in 0625/22 Feb/March 2017

23 Which statement about sound waves is correct? A They are able to travel through a vacuum. B They are able to travel through solids. C They are transverse waves. D They travel at the same speed in all substances.

1 marks

Answer: B

This question in 0625/22 Feb/March 2017

19 Different waves hit barriers with different sized gaps. The waves will diffract. In which diagram does the greatest spreading occur? A B barrier barrier gap 2.0 cm gap 2.0 cm wavelength wavelength 2.0 cm 1.0 cm C D barrier barrier gap 3.0 cm gap 3.0 cm wavelength wavelength 2.0 cm 1.0 cm

1 marks

Answer: B

This question in 0625/21 May/June 2017

23 A fire alarm is not loud enough and the pitch is too low. An engineer adjusts the alarm so that it produces a louder note of a higher pitch. What effect does this have on the amplitude and on the frequency of the sound? amplitude frequency A larger greater B larger smaller C smaller greater D smaller smaller

1 marks

Answer: A

This question in 0625/21 May/June 2017

19 Different waves hit barriers with different sized gaps. The waves will diffract. In which diagram does the greatest spreading occur? A B barrier barrier gap 2.0 cm gap 2.0 cm wavelength wavelength 2.0 cm 1.0 cm C D barrier barrier gap 3.0 cm gap 3.0 cm wavelength wavelength 2.0 cm 1.0 cm

1 marks

Answer: B

This question in 0625/22 May/June 2017

19 Different waves hit barriers with different sized gaps. The waves will diffract. In which diagram does the greatest spreading occur? A B barrier barrier gap 2.0 cm gap 2.0 cm wavelength wavelength 2.0 cm 1.0 cm C D barrier barrier gap 3.0 cm gap 3.0 cm wavelength wavelength 2.0 cm 1.0 cm

1 marks

Answer: B

This question in 0625/23 May/June 2017

23 A fire alarm is not loud enough and the pitch is too low. An engineer adjusts the alarm so that it produces a louder note of a higher pitch. What effect does this have on the amplitude and on the frequency of the sound? amplitude frequency A larger greater B larger smaller C smaller greater D smaller smaller

1 marks

Answer: A

This question in 0625/23 May/June 2017

20 The diagram represents plane wavefronts of a water wave about to strike a solid barrier. wavefronts Which diagram shows the position of the wavefronts after reflection at the barrier? A B reflected reflected C D reflected reflected

1 marks

Answer: C

This question in 0625/21 Oct/Nov 2017

20 The diagram represents plane wavefronts of a water wave about to strike a solid barrier. wavefronts Which diagram shows the position of the wavefronts after reflection at the barrier? A B reflected reflected C D reflected reflected

1 marks

Answer: C

This question in 0625/22 Oct/Nov 2017

22 The diagram shows a ray of light incident on the surface of a rectangular glass block at 90° to the surface. ray of light glass block Which quantities remain unchanged as the light enters the glass block? A direction and frequency B direction and speed C frequency and speed D speed and wavelength

1 marks

Answer: A

This question in 0625/22 Oct/Nov 2017

20 The diagram represents plane wavefronts of a water wave about to strike a solid barrier. wavefronts Which diagram shows the position of the wavefronts after reflection at the barrier? A B reflected reflected C D reflected reflected

1 marks

Answer: C

This question in 0625/23 Oct/Nov 2017

19 Light travels at a speed of 2.0 × 108 m / s in a glass block. In the glass, the wavelength of the light is 4.0 × 10–7 m. What is the frequency of the light? A 2.0 × 10–15 Hz B 1.3 × 10–2 Hz C 80 Hz D 5.0 × 1014 Hz

1 marks

Answer: D

This question in 0625/21 May/June 2018

20 Which arrow on the graph shows the amplitude of the wave? displacement B A C 0 0 distance D

1 marks

Answer: B

This question in 0625/21 May/June 2018

19 A tank contains water. Ripples are produced on the surface of the water. What causes the ripples to refract? A The cold water in the tank is replaced by warm water. B The ripples change speed as they move from deep to shallow water. C The ripples hit the wall of the tank. D The ripples pass through a narrow gap.

1 marks

Answer: B

This question in 0625/22 May/June 2018

20 Light travels at a speed of 2.0 × 108 m / s in a glass block. In the glass, the wavelength of the light is 4.0 × 10–7 m. What is the frequency of the light? A 2.0 × 10–15 Hz B 1.3 × 10–2 Hz C 80 Hz D 5.0 × 1014 Hz

1 marks

Answer: D

This question in 0625/22 May/June 2018

19 The diagram shows a wave. 2.0 displacement / cm 1.0 0 0 4.0 8.0 12.0 16.0 20.0 24.0 28.0 –1.0 distance / cm –2.0 Which row is correct? amplitude of wavelength of the wave / cm the wave / cm A 1.0 4.0 B 1.0 8.0 C 2.0 4.0 D 2.0 8.0

1 marks

Answer: B

This question in 0625/23 May/June 2018

20 Light travels at a speed of 2.0 × 108 m / s in a glass block. In the glass, the wavelength of the light is 4.0 × 10–7 m. What is the frequency of the light? A 2.0 × 10–15 Hz B 1.3 × 10–2 Hz C 80 Hz D 5.0 × 1014 Hz

1 marks

Answer: D

This question in 0625/23 May/June 2018

23 The diagram shows the air molecules in part of a sound wave at a particular moment in time. X Which statement is not correct? A Earlier, there was compression at X. B Later, there will be a rarefaction at X. C This part of the wave is travelling horizontally across the page. D This part of the wave is travelling towards the top of the page.

1 marks

Answer: D

This question in 0625/23 May/June 2018

21 Plane water waves travel from a shallow region into a deeper region. They travel more quickly in the deeper water. shallow water boundary wave direction deep water Which diagram shows the wave pattern in the deeper water? A B C D

1 marks

Answer: C

This question in 0625/21 Oct/Nov 2018

21 Plane water waves travel from a shallow region into a deeper region. They travel more quickly in the deeper water. shallow water boundary wave direction deep water Which diagram shows the wave pattern in the deeper water? A B C D

1 marks

Answer: C

This question in 0625/22 Oct/Nov 2018

21 Plane water waves travel from a shallow region into a deeper region. They travel more quickly in the deeper water. shallow water boundary wave direction deep water Which diagram shows the wave pattern in the deeper water? A B C D

1 marks

Answer: C

This question in 0625/23 Oct/Nov 2018

21 The diagram shows a wave before it reflects from a barrier. Which labelled section of the diagram represents a wavefront? barrier A B C D

1 marks

Answer: C

This question in 0625/22 Feb/March 2019

22 A vibrating object produces ripples on the surface of a liquid. The object completes 20 vibrations every second. The spacing of the ripples, from one crest to the next, is 3.0 cm. What is the speed of the ripples? A 0.15 cm / s B 6.7 cm / s C 60 cm / s D 120 cm / s

1 marks

Answer: C

This question in 0625/22 Feb/March 2019

26 A sound wave passes a point. The air pressure at that point increases and then decreases 300 times every second. Which descriptions apply to this sound wave? the type of wave motion the frequency of the sound A longitudinal outside human hearing range B longitudinal within human hearing range C transverse outside human hearing range D transverse within human hearing range

1 marks

Answer: B

This question in 0625/22 Feb/March 2019

20 When water waves pass through a gap they diffract. The diagrams show wavefronts approaching a narrow gap. In which diagram will the diffraction be least? A B C D

1 marks

Answer: C

This question in 0625/21 May/June 2019

20 When water waves pass through a gap they diffract. The diagrams show wavefronts approaching a narrow gap. In which diagram will the diffraction be least? A B C D

1 marks

Answer: C

This question in 0625/22 May/June 2019

19 When water waves pass through a gap they diffract. The diagrams show wavefronts approaching a narrow gap. In which diagram will the diffraction be least? A B C D

1 marks

Answer: C

This question in 0625/23 May/June 2019

20 Sound travels through air at a speed of 340 m / s. A source generates sound waves at a frequency of 1.2 kHz. What is the wavelength of the sound waves? A 0.28 m B 3.5 m C 280 m D 410 m

1 marks

Answer: A

This question in 0625/23 May/June 2019

25 Which statement about ultrasound is correct? A It has a higher frequency than audible sound, and it is a longitudinal wave. B It has a higher frequency than audible sound, and it is a transverse wave. C It has a lower frequency than audible sound, and it is a longitudinal wave. D It has a lower frequency than audible sound, and it is a transverse wave.

1 marks

Answer: A

This question in 0625/23 May/June 2019

21 A large hill blocks the direct path between a transmitter of radio waves and a receiver, as shown. transmitter hill receiver The receiver picks up the signal from the transmitter even though the radio waves do not travel through the hill. Which row is correct? A possible way A stronger signal is for this to happen is received using A diffraction round the hill. longer wavelengths. B diffraction round the hill. shorter wavelengths. C refraction round the hill. longer wavelengths. D refraction round the hill. shorter wavelengths.

1 marks

Answer: A

This question in 0625/21 Oct/Nov 2019

24 The diagram shows the electromagnetic spectrum. radio γ-rays X-rays ultraviolet visible light infrared microwaves waves increasing … A word is missing from the label below the spectrum. Which word is missing? A amplitude B frequency C speed D wavelength

1 marks

Answer: D

This question in 0625/21 Oct/Nov 2019

22 A large hill blocks the direct path between a transmitter of radio waves and a receiver, as shown. transmitter hill receiver The receiver picks up the signal from the transmitter even though the radio waves do not travel through the hill. Which row is correct? A possible way A stronger signal is for this to happen is received using A diffraction round the hill. longer wavelengths. B diffraction round the hill. shorter wavelengths. C refraction round the hill. longer wavelengths. D refraction round the hill. shorter wavelengths.

1 marks

Answer: A

This question in 0625/22 Oct/Nov 2019

21 A large hill blocks the direct path between a transmitter of radio waves and a receiver, as shown. transmitter hill receiver The receiver picks up the signal from the transmitter even though the radio waves do not travel through the hill. Which row is correct? A possible way A stronger signal is for this to happen is received using A diffraction round the hill. longer wavelengths. B diffraction round the hill. shorter wavelengths. C refraction round the hill. longer wavelengths. D refraction round the hill. shorter wavelengths.

1 marks

Answer: A

This question in 0625/23 Oct/Nov 2019

24 The diagram shows the electromagnetic spectrum. radio γ-rays X-rays ultraviolet visible light infrared microwaves waves increasing … A word is missing from the label below the spectrum. Which word is missing? A amplitude B frequency C speed D wavelength

1 marks

Answer: D

This question in 0625/23 Oct/Nov 2019

23 Four students A, B, C and D, investigate the diffraction of water waves through a gap. Each student uses a different gap size and a different wavelength for the water waves. Which student produces the waves which have the most diffraction? gap size wavelength / cm / cm A 2.0 1.8 B 3.0 2.1 C 4.0 2.0 D 5.0 0.9

1 marks

Answer: A

This question in 0625/22 Feb/March 2020

24 The diagrams show examples of wave motion. 1 2 ripple tank drum waves on water waves in air 3 4 waves on a rope waves in a spring Which waves are longitudinal? A 1 only B 2 and 3 only C 2, 3 and 4 D 2 and 4 only

1 marks

Answer: D

This question in 0625/22 Feb/March 2020

20 A wave of frequency 6600 Hz travels 1320 m in 4.0 s. What is the wavelength? A 0.050 m B 0.80 m C 1.3 m D 20 m

1 marks

Answer: A

This question in 0625/21 May/June 2020

21 The diagram shows a wave. 8 cm 3 cm 6 cm 4 cm What are the amplitude and the wavelength of this wave? amplitude / cm wavelength / cm A 3 4 B 3 8 C 6 4 D 6 8

1 marks

Answer: B

This question in 0625/21 May/June 2020

25 Sound travels through air as a series of compressions and rarefactions. Which statement correctly compares a compression with a rarefaction? A In a compression the wavelength is longer than in a rarefaction. B In a compression the wavelength is shorter than in a rarefaction. C In a compression the density of the air is greater than in a rarefaction. D In a compression the density of the air is lower than in a rarefaction.

1 marks

Answer: C

This question in 0625/21 May/June 2020

20 The diagram shows a wave. 8 cm 3 cm 6 cm 4 cm What are the amplitude and the wavelength of this wave? amplitude / cm wavelength / cm A 3 4 B 3 8 C 6 4 D 6 8

1 marks

Answer: B

This question in 0625/22 May/June 2020

21 The frequency of the microwaves used in a microwave oven is 2400 MHz. What is the wavelength of these microwaves? A 0.125 m B 8.00 m C 125 m D 7200 m

1 marks

Answer: A

This question in 0625/22 May/June 2020

25 A dolphin sends out a sound wave. An echo returns 0.010 s later from a fish which is 7.5 m from the dolphin. What is the speed of the sound wave in water? A 0.075 m / s B 0.15 m / s C 750 m / s D 1500 m / s

1 marks

Answer: D

This question in 0625/22 May/June 2020

20 An earthquake-monitoring station records the arrival of 16 complete waves of an earthquake wave in 20 s. The speed of the earthquake wave is 6.0 km / s. What is the wavelength of the earthquake wave? A 1.3 × 10–4 m B 2.1 × 10–4 m C 4.8 × 103 m D 7.5 × 103 m

1 marks

Answer: D

This question in 0625/23 May/June 2020

21 The diagram shows a wave. 8 cm 3 cm 6 cm 4 cm What are the amplitude and the wavelength of this wave? amplitude / cm wavelength / cm A 3 4 B 3 8 C 6 4 D 6 8

1 marks

Answer: B

This question in 0625/23 May/June 2020

25 Two people are standing outdoors on either side of a high wall. person 1 person 2 Person 1 can hear person 2 talking although he cannot see her. Which statement explains this? A The sound waves have diffracted around the wall. B The sound waves have passed unaffected through the wall. C The sound waves have reflected around the wall. D The sound waves have refracted around the wall.

1 marks

Answer: A

This question in 0625/23 May/June 2020

21 Which row correctly describes light waves? wave type direction of vibrations A longitudinal parallel to direction of wave travel B longitudinal perpendicular to direction of wave travel C transverse parallel to direction of wave travel D transverse perpendicular to direction of wave travel

1 marks

Answer: D

This question in 0625/21 Oct/Nov 2020

22 The diagram shows part of a diffracted wave pattern. barrier direction of waves Changes are made to the wavelength and to the gap size to produce a semicircular diffracted wave pattern. Which row produces the required semicircular diffracted wave pattern? gap in barrier wavelength A larger same B larger smaller C same larger D same smaller

1 marks

Answer: C

This question in 0625/21 Oct/Nov 2020

26 A police car with its siren sounding is stationary in heavy traffic. A pedestrian notices that, although the loudness of the sound produced does not change, the pitch varies. Which row describes the amplitude and the frequency of the sound? amplitude frequency A constant constant B constant varying C varying constant D varying varying

1 marks

Answer: B

This question in 0625/21 Oct/Nov 2020

21 Which row correctly describes light waves? wave type direction of vibrations A longitudinal parallel to direction of wave travel B longitudinal perpendicular to direction of wave travel C transverse parallel to direction of wave travel D transverse perpendicular to direction of wave travel

1 marks

Answer: D

This question in 0625/22 Oct/Nov 2020

22 A radio transmitter broadcasts at a frequency of 200 kHz. What is the wavelength of these radio waves? A 6.7  10–4 m B 1.5 m C 1.5  103 m D 1.5  106 m

1 marks

Answer: C

This question in 0625/22 Oct/Nov 2020

24 A student draws a diagram to illustrate the different sections of a longitudinal wave. Which labelled section is a rarefaction? A B D C

1 marks

Answer: B

This question in 0625/22 Oct/Nov 2020

21 Which row correctly describes light waves? wave type direction of vibrations A longitudinal parallel to direction of wave travel B longitudinal perpendicular to direction of wave travel C transverse parallel to direction of wave travel D transverse perpendicular to direction of wave travel

1 marks

Answer: D

This question in 0625/23 Oct/Nov 2020

22 A water wave has a speed of 2.0 m / s. 4.0 complete waves pass a point every 10 seconds. What is the wavelength of the wave? A 0.50 m B 0.80 m C 5.0 m D 8.0 m

1 marks

Answer: C

This question in 0625/23 Oct/Nov 2020

20 What is the approximate wavelength in air of the highest frequency sound that can be heard by a normal healthy person? A 0.02 m B 60 m C 20 000 m D 7 000 000 m

1 marks

Answer: A

This question in 0625/22 Feb/March 2021

21 What causes the change in direction when light travels from air into glass? A The amplitude of the light changes. B The colour of the light changes. C The frequency of the light changes. D The speed of the light changes.

1 marks

Answer: D

This question in 0625/22 Feb/March 2021

26 The diagram represents a sound wave. X Y What are the names of the parts of the sound wave labelled X and Y? X Y A amplitude wavelength B compression rarefaction C rarefaction amplitude D wavelength compression

1 marks

Answer: B

This question in 0625/22 Feb/March 2021

21 A water wave passes into a region where the wave travels more slowly. As it passes into the slow region, what happens to the frequency and what happens to the wavelength of the wave? frequency wavelength A decreases remains the same B increases remains the same C remains the same decreases D remains the same increases

1 marks

Answer: C

This question in 0625/22 May/June 2021

17 The diagram shows waves in a ripple tank containing water. The waves approach a barrier and pass through the gap in the barrier. The size of the gap is about the same size as the wavelength of the ripples. The gap size is increased. What happens to the ripple pattern to the right of the barrier? A The ripples are closer together. B The ripples are further apart. C The ripples are more curved. D The ripples are less curved.

1 marks

Answer: D

This question in 0625/21 Oct/Nov 2021

18 The diagram shows a wave. 1 displacement 2 4 5 6 0 0 distance 3 Which row correctly indicates the amplitude and the wavelength of the wave? amplitude wavelength A the distance between 1 and 2 the distance between 4 and 5 B the distance between 1 and 2 the distance between 4 and 6 C the distance between 1 and 3 the distance between 4 and 5 D the distance between 1 and 3 the distance between 4 and 6

1 marks

Answer: B

This question in 0625/21 Oct/Nov 2021

19 Two beams of light are both the same colour of red. One beam is travelling through air. The other beam is travelling through water. Each beam has a different brightness. Which quantity is the same for both sets of waves? A amplitude B frequency C speed D wavelength

1 marks

Answer: B

This question in 0625/21 Oct/Nov 2021

17 The diagram shows the pattern of water waves as they pass through a narrow gap. narrow gap between two barriers Which row names the process shown and describes the effect of using a wider gap? name of process wider gap A refraction waves spread out less B refraction waves spread out more C diffraction waves spread out less D diffraction waves spread out more

1 marks

Answer: C

This question in 0625/22 Oct/Nov 2021

18 Which row is not correct for a wave on the surface of water? quantity usual unit A amplitude m B frequency Hz C wavelength  D speed m / s

1 marks

Answer: C

This question in 0625/22 Oct/Nov 2021

23 Which statement about electromagnetic waves is not correct? A They travel at 3  108 m / s in a vacuum. B They transfer energy. C They travel at 340 m / s in air. D They are transverse waves.

1 marks

Answer: C

This question in 0625/22 Oct/Nov 2021

17 In the diagram, the mountaineer can hear the stream although he cannot see it. When he is closer to the gully, he can both hear and see the stream. When he is further from the gully, he can neither hear nor see the stream. gully mountaineer stream Which statement is not correct? A As he approaches the gully edge, he hears first the short wavelength, higher frequencies and then the long wavelength, lower frequencies. B As he approaches the gully edge, the sound becomes louder. C He hears the stream because some of the sound is diffracted. D He hears the stream because some of the sound is reflected from the opposite wall of the gully.

1 marks

Answer: A

This question in 0625/23 Oct/Nov 2021

18 Which row correctly defines the frequency and the speed of a wave? frequency speed A number of waves distance travelled per unit time B number of waves time taken for one complete wave to pass a point C number of waves distance travelled passing per unit time per unit time D number of waves time taken for one complete passing per unit time wave to pass a point

1 marks

Answer: C

This question in 0625/23 Oct/Nov 2021

19 A ray of light travels from air into a glass block. in air in glass speed of ray va vg wavelength of ray a g frequency of ray fa fg Three suggestions as to how the refractive index of glass n may be calculated are listed. v 1 n = v a g  2 n =  a g f 3 n = a f g Which suggestions are correct? A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

1 marks

Answer: B

This question in 0625/23 Oct/Nov 2021

21 A tank contains water. Ripples are produced on the surface of the water. Refraction is observed. What causes the ripples to refract? A The cold water in the tank is replaced by warm water. B The ripples change speed as they move from deep to shallow water. C The ripples hit the wall of the tank. D The ripples pass through a narrow gap.

1 marks

Answer: B

This question in 0625/22 Feb/March 2022

22 The diagram shows wavefronts of a water wave passing through a gap in a barrier. barrier Which change will increase the diffraction of the wave as it passes through the gap? A Increase the amplitude of the wave. B Increase the width of the gap. C Reduce the depth of water. D Reduce the frequency of the wave.

1 marks

Answer: D

This question in 0625/22 Feb/March 2022

21 The diagram shows a wave. 2.0 displacement / cm 1.0 0 0 4.0 8.0 12.0 16.0 20.0 24.0 28.0 –1.0 distance / cm –2.0 Which row is correct? amplitude of wavelength of the wave / cm the wave / cm A 1.0 4.0 B 1.0 8.0 C 2.0 4.0 D 2.0 8.0

1 marks

Answer: B

This question in 0625/21 May/June 2022

22 A sound wave is created by a loudspeaker that vibrates backwards and forwards 96 000 times per minute. The speed of sound is 320 m / s. What is the wavelength of the sound wave? A 0.20 m B 5.0 m C 300 m D 18 000 m

1 marks

Answer: A

This question in 0625/21 May/June 2022

21 The diagram shows a wave. 2.0 displacement / cm 1.0 0 0 4.0 8.0 12.0 16.0 20.0 24.0 28.0 –1.0 distance / cm –2.0 Which row is correct? amplitude of wavelength of the wave / cm the wave / cm A 1.0 4.0 B 1.0 8.0 C 2.0 4.0 D 2.0 8.0

1 marks

Answer: B

This question in 0625/22 May/June 2022

22 The water wave shown has a frequency of 4.0 Hz. 36 cm 3.0 cm What is the speed of the wave? A 3.0 cm / s B 12 cm / s C 48 cm / s D 72 cm / s

1 marks

Answer: C

This question in 0625/22 May/June 2022

21 The diagram shows a wave. 2.0 displacement / cm 1.0 0 0 4.0 8.0 12.0 16.0 20.0 24.0 28.0 –1.0 distance / cm –2.0 Which row is correct? amplitude of wavelength of the wave / cm the wave / cm A 1.0 4.0 B 1.0 8.0 C 2.0 4.0 D 2.0 8.0

1 marks

Answer: B

This question in 0625/23 May/June 2022

22 The wavelength of a beam of X-rays, travelling through air, is 5.4 × 10–10 m. What is its frequency? A 5.6 × 10–17 Hz B 5.6 × 1011 Hz C 5.6 × 1017 Hz D 5.6 × 1018 Hz

1 marks

Answer: C

This question in 0625/23 May/June 2022

17 A wave source produces 3000 crests every minute. The wave has a speed of 300 m / s. What is the wavelength of the wave? A 0.10 m B 0.17 m C 6.0 m D 10.0 m

1 marks

Answer: C

This question in 0625/21 Oct/Nov 2022

18 The diagrams show two sets of wavefronts in a ripple tank. wave wave direction direction barrier shallow water A student makes two statements about the waves. 1 When the waves reflect from the barrier the direction changes but the wavelength remains the same. 2 When the waves refract as they enter the shallow water the direction remains the same, but the wavelength changes. Which statements are correct? A statement 1 and statement 2 B statement 1 only C statement 2 only D neither statement 1 nor statement 2

1 marks

Answer: B

This question in 0625/21 Oct/Nov 2022

17 A sound wave travels from air into water. Which row describes what happens to the frequency and the wavelength of the wave? frequency wavelength A decreases increases B decreases stays the same C stays the same decreases D stays the same increases

1 marks

Answer: D

This question in 0625/22 Oct/Nov 2022

18 The diagram shows plane water waves in a ripple tank passing through a gap between two barriers and spreading out. barrier plane water waves barrier Which name is given to this effect? A diffraction B reflection C refraction D total internal reflection

1 marks

Answer: A

This question in 0625/22 Oct/Nov 2022

22 The diagram shows the air molecules in part of a sound wave at a particular moment in time. X Which statement is not correct? A Earlier, there was compression at X. B Later, there will be a rarefaction at X. C This part of the wave is travelling horizontally across the page. D This part of the wave is travelling towards the top of the page.

1 marks

Answer: D

This question in 0625/22 Oct/Nov 2022

17 A passing boat causes a floating object on a lake to bob up and down 18 times in 12 s. The wavelength of the wave created by the boat is 48 cm. What is the velocity of these water waves? A 32 cm / s B 72 cm / s C 576 cm / s D 864 cm / s

1 marks

Answer: B

This question in 0625/23 Oct/Nov 2022

18 Wavefronts are incident on a boundary. What is needed for the wave to refract at the boundary? A a shiny surface at the boundary B a small gap in the boundary C different mediums either side of the boundary in which the frequency of the wave is different D different mediums either side of the boundary in which the speed of the wave is different

1 marks

Answer: D

This question in 0625/23 Oct/Nov 2022

22 The diagram shows the air molecules in part of a sound wave at a particular moment in time. X Which statement is not correct? A Earlier, there was compression at X. B Later, there will be a rarefaction at X. C This part of the wave is travelling horizontally across the page. D This part of the wave is travelling towards the top of the page.

1 marks

Answer: D

This question in 0625/23 Oct/Nov 2022

18 A transverse wave moves along a rope. The diagram shows the position of the rope at one particular time. rope W X Y Z Which two labelled points are one wavelength apart? A W and X B W and Z C X and Z D Y and Z

1 marks

Answer: C

This question in 0625/22 Feb/March 2023

17 The diagrams show graphs of displacement against time for four waves. All the graphs are drawn to the same scale. Which wave has the largest amplitude and the highest frequency? A B displacement displacement 0 0 0 time 0 time C D displacement displacement 0 0 0 time 0 time

1 marks

Answer: A

This question in 0625/21 May/June 2023

17 The diagram shows a wave. 8 cm 3 cm 6 cm 4 cm What are the amplitude and the wavelength of this wave? amplitude / cm wavelength / cm A 3 4 B 3 8 C 6 4 D 6 8

1 marks

Answer: B

This question in 0625/22 May/June 2023

21 A radio station broadcasts a signal with a frequency of 89 MHz. What is the wavelength of this signal? A 3.7 µm B 3.4 m C 3.7 km D 3.4 Mm

1 marks

Answer: B

This question in 0625/22 May/June 2023

17 A drop of water from a tap falls onto the surface of some water of constant depth. view from above Water waves spread out on the surface of the water. Which statement is correct? A The waves are longitudinal and travel at the same speed in all directions. B The waves are longitudinal and travel more quickly in one direction than in others. C The waves are transverse and travel at the same speed in all directions. D The waves are transverse and travel more quickly in one direction than in others.

1 marks

Answer: C

This question in 0625/23 May/June 2023

17 Two men, P and Q, stand close to a gap in a wall, as shown. Man P cannot see man Q but man P can hear man Q speaking. P Q gap Which statement explains this? A Light waves do not diffract at all because they are electromagnetic waves. B Light waves have a range of frequencies but sound has just one frequency. C Sound waves are of a higher frequency than light waves. D Sound waves diffract a lot because their wavelength is a similar size to the width of the gap.

1 marks

Answer: D

This question in 0625/21 Oct/Nov 2023

18 Which quantities relating to a wave on the surface of water can both be measured in metres? A amplitude and frequency B amplitude and wavelength C amplitude and wave speed D frequency and wavelength

1 marks

Answer: B

This question in 0625/21 Oct/Nov 2023

22 A radio transmitter broadcasts at a frequency of 200 kHz. What is the wavelength of these radio waves? A 6.7  10– 4 m B 1.5 m C 1.5  103 m D 1.5  106 m

1 marks

Answer: C

This question in 0625/21 Oct/Nov 2023

17 A student writes down some facts about two transverse waves. Wave 1 has a frequency f and a velocity v. Wave 2 has four times the frequency of wave 1 and is travelling at a velocity of 2v. What is the wavelength of wave 2 in terms of f and v? 2 f 2 v v A B 8fv C D v f 2 f

1 marks

Answer: D

This question in 0625/22 Oct/Nov 2023

18 Straight wavefronts on the surface of a ripple tank approach a gap in a barrier. The diagram shows how the wavefronts change shape as they pass through the gap. barrier straight wavefronts What is the name of this effect? A diffraction B propagation C reflection D refraction

1 marks

Answer: A

This question in 0625/22 Oct/Nov 2023

22 The frequency of the microwaves used in a microwave oven is 2400 MHz. What is the wavelength of these microwaves? A 0.125 m B 8.00 m C 125 m D 7200 m

1 marks

Answer: A

This question in 0625/22 Oct/Nov 2023

17 Light diffracts when it enters a telescope. This causes the image to blur slightly. The amount of diffraction depends on the diameter of the hole through which the light enters the telescope and the wavelength of the light. Which combination for diameter and wavelength will result in the sharpest image (least blurring)? diameter wavelength A large long B large short C small long D small short

1 marks

Answer: B

This question in 0625/23 Oct/Nov 2023

18 The diagram shows a transverse wave. S P R Q Which row identifies the amplitude and the wavelength of the wave? amplitude wavelength A P R B P S C Q R D Q S

1 marks

Answer: B

This question in 0625/23 Oct/Nov 2023

16 The diagram shows a wave. displacement from undisturbed position Q P 0 0 position R S along wave Which dimensions describe the properties of the wave? A P = amplitude, S = speed B P = speed, Q = wavelength C R = amplitude, Q = wavelength D R = amplitude, S = wavelength

1 marks

Answer: C

This question in 0625/22 Feb/March 2024

16 Which statement about waves is correct? A Waves do not transfer either energy or matter. B Waves transfer both energy and matter. C Waves transfer energy without transferring matter. D Waves transfer matter without transferring energy.

1 marks

Answer: C

This question in 0625/21 May/June 2024

22 A sound wave travels at 330 m / s. The distance between the centre of a compression and the centre of the nearest rarefaction in the sound wave is 2.5 cm. What is the frequency of the sound wave? A 66 Hz B 130 Hz C 6600 Hz D 13 000 Hz

1 marks

Answer: C

This question in 0625/21 May/June 2024

17 In which type of wave is the direction of vibration parallel to the direction of travel? A electromagnetic waves B seismic P-waves C seismic S-waves D water waves

1 marks

Answer: B

This question in 0625/22 May/June 2024

18 Waves in a ripple tank are diffracted as they pass through a narrow gap. What can be done to make the spreading due to diffraction greater? A Decrease the frequency of the waves and keep the speed constant. B Decrease the speed of the waves and keep the frequency constant. C Increase the frequency of the waves and keep the speed constant. D Increase the frequency of the waves and decrease the speed.

1 marks

Answer: A

This question in 0625/22 May/June 2024

17 A seismic wave has a frequency of 5.0 Hz and a speed of 10 km / s. What is the wavelength of the wave? A 0.20 km B 0.50 km C 2.0 km D 50 km

1 marks

Answer: C

This question in 0625/23 May/June 2024

18 Sound waves will diffract when going through a gap or passing the edge of a barrier. Which size of wavelength gives the most diffraction in each case? passing the edge passing through a gap of a barrier A small wavelength small wavelength B small wavelength large wavelength C wavelength similar to gap size small wavelength D wavelength similar to gap size large wavelength

1 marks

Answer: D

This question in 0625/23 May/June 2024

17 Water waves are reflected at a plane surface. Which property of the waves is changed by the reflection? A direction of propagation B frequency C speed D wavelength

1 marks

Answer: A

This question in 0625/21 Oct/Nov 2024

19 Plane water waves approach a narrow gap in a barrier. Which diagram shows the diffraction pattern that would occur? A B C D

1 marks

Answer: C

This question in 0625/21 Oct/Nov 2024

22 Radio waves are electromagnetic waves. What is the wavelength of a radio wave of frequency 2.0  105 Hz? A 0.00067 m B 0.0015 m C 670 m D 1500 m

1 marks

Answer: D

This question in 0625/21 Oct/Nov 2024

23 A candle flame is placed in front of a loudspeaker. The loudspeaker produces a sound wave that causes air particles to vibrate. The vibrating air particles make the candle flame vibrate in the same direction as the air particles. candle flame loudspeaker Which row shows the direction of vibration of the candle flame and the nature of sound waves? direction of nature of vibration sound waves A longitudinal B transverse C longitudinal D transverse

1 marks

Answer: C

This question in 0625/21 Oct/Nov 2024

17 What is the number of wavefronts per second that pass a fixed point? A the amplitude of the wave B the frequency of the wave C the speed of the wave D the wavelength of the wave

1 marks

Answer: B

This question in 0625/22 Oct/Nov 2024

18 An earthquake under the ocean can produce a dangerous water wave called a tsunami. The table gives typical data for a tsunami. ocean depth velocity wavelength m km / h km 7000 948 285 2000 504 151 A student suggests three conclusions about the data. 1 The deeper the ocean, the faster the wave. 2 The longer the wavelength, the faster the wave. 3 The faster the wave, the higher the frequency. Which conclusions are correct? A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

1 marks

Answer: B

This question in 0625/22 Oct/Nov 2024

19 The diagram shows what happens to wavefronts at sea when they enter a harbour. sea direction of harbour movement of wavefronts harbour wall What causes the change in the shape of the wavefronts? A diffraction B dispersion C reflection D refraction

1 marks

Answer: A

This question in 0625/22 Oct/Nov 2024

17 A vertical stick is dipped up and down in water at P. In two seconds, three wave crests spread out on the surface of the water. Y wave P crests X Which statement is correct? A Distance X is the amplitude of the waves. B Distance Y is the wavelength of the waves. C Each circle represents a wavefront. D The frequency of the waves is 3 Hz.

1 marks

Answer: C

This question in 0625/23 Oct/Nov 2024

18 Seismic waves from the epicentre of an earthquake take 100 s to reach a point 300 km away. When they arrive, they cause the ground to vibrate with a frequency of 2.0 Hz. What is the wavelength of these seismic waves? A 0.67 km B 1.5 km C 3.0 km D 6.0 km

1 marks

Answer: B

This question in 0625/23 Oct/Nov 2024

19 Which diagram illustrates diffraction of water waves? A B C D

1 marks

Answer: A

This question in 0625/23 Oct/Nov 2024

19 The frequency of a wave is doubled. The speed of the wave does not change. What happens to the wavelength of the wave? A It becomes four times as large. B It does not change. C It doubles. D It halves.

1 marks

Answer: D

This question in 0625/22 Feb/March 2025

20 Which statement about ultrasound is correct? A It has a higher frequency than audible sound and it is a longitudinal wave. B It has a higher frequency than audible sound and it is a transverse wave. C It has a lower frequency than audible sound and it is a longitudinal wave. D It has a lower frequency than audible sound and it is a transverse wave.

1 marks

Answer: A

This question in 0625/22 Feb/March 2025

17 The diagram shows a cork with a weight attached so that the cork floats upright in water. cork water surface X Y weight Transverse waves travel across the water from X to Y. In which direction do the waves make the cork move? A   right and left B  up and down C  only to the right D  only to the left

1 marks

Answer: B

This question in 0625/21 May/June 2025

17 Which wave will diffract the most when passing through a gap that is 0.85 m wide? wave speed wave frequency / Hz m / s A 300 280 B 300 400 C 350 280 D 350 400

1 marks

Answer: C

This question in 0625/22 May/June 2025

18 Which arrow on the graph shows the amplitude of the wave? displacement B A C 0 0 distance D

1 marks

Answer: B

This question in 0625/22 May/June 2025

19 Which row describes a seismic S-wave? type of wave direction of vibration A longitudinal parallel to the direction of travel of the wavefront B longitudinal perpendicular to the direction of travel of the wavefront C transverse parallel to the direction of travel of the wavefront D transverse perpendicular to the direction of travel of the wavefront

1 marks

Answer: D

This question in 0625/22 May/June 2025

17 Which row correctly describes light waves? wave type direction of vibration A longitudinal parallel to direction of wave travel B longitudinal perpendicular to direction of wave travel C transverse parallel to direction of wave travel D transverse perpendicular to direction of wave travel

1 marks

Answer: D

This question in 0625/23 May/June 2025

18 A narrow beam of light consists of two waves of different wavelengths. The beam of light hits a sharp edge. Which effect will be seen beyond the sharp edge? A Both waves continue along the same straight line as before. B Both waves bend sharply and continue along a new straight line. C The wave of longer wavelength bends round the sharp edge more than the wave of shorter wavelength. D The wave of shorter wavelength bends round the sharp edge more than the wave of longer wavelength.

1 marks

Answer: C

This question in 0625/23 May/June 2025

23 What is a compression? A a point in a longitudinal wave where the particles of the medium are close together B a point in a longitudinal wave where the particles of the medium are far apart C a point in a transverse wave where the particles of the medium are close together D a point in a transverse wave where the particles of the medium are far apart

1 marks

Answer: A

This question in 0625/23 May/June 2025

18 Parallel waves in a ripple tank are diffracted as they pass through a gap in a barrier. Three changes that can be made to this arrangement are listed. 1 Decrease the wavelength of the waves. 2 Increase the amplitude of the waves. 3 Decrease the size of the gap. Which changes will cause the shape of the diffracted waves to be less curved? A 1, 2 and 3 B 1 and 3 only C 1 only D 2 and 3 only

1 marks

Answer: C

This question in 0625/21 Oct/Nov 2025

17 An earthquake-monitoring station records the arrival of 16 complete wavelengths of an earthquake wave in a time of 20 s. The speed of the earthquake wave is 6.0 km / s. What is the wavelength of the earthquake wave? A 1.3  10– 4 m B 2.1  10– 4 m C 4.8  103 m D 7.5  103 m

1 marks

Answer: D

This question in 0625/22 Oct/Nov 2025

18 Which statement is correct? A Seismic S-waves are longitudinal. B Sound waves are longitudinal. C The amplitude is always greater than the wavelength in a longitudinal wave. D The vibration is at right-angles to the direction of propagation in a longitudinal wave.

1 marks

Answer: B

This question in 0625/22 Oct/Nov 2025

18 When water waves pass through a gap, they diffract. The diagrams show wavefronts approaching a gap. In which diagram will the diffraction be least? A B C D

1 marks

Answer: C

This question in 0625/23 Oct/Nov 2025

23 Both the amplitude and the frequency of a sound wave decrease. What happens to the sound that is heard? A The sound is louder and has a higher pitch. B The sound is louder and has a lower pitch. C The sound is quieter and has a higher pitch. D The sound is quieter and has a lower pitch.

1 marks

Answer: D

This question in 0625/23 Oct/Nov 2025