Electromagnetic spectrum — Paper 2 · IGCSE Sciences - Co-ordinated (Double) 0654

35 Which radiations are included in the electromagnetic spectrum? A α-particle radiation and β-particle radiation B α-particle radiation and γ-rays C β-particle radiation and infra-red radiation D γ-rays and infra-red radiation

1 marks

Answer: D

This question in 0654/23 Oct/Nov 2017

35 A radio transmitter emits radio waves with a frequency of 1.25 × 108 Hz. The most suitable aerial for this frequency is 4 1 of a wavelength long. The speed of radio waves is 3.0 × 108 m / s. What is the length of the most suitable aerial? A 0.10 m B 0.60 m C 2.4 m D 9.6 m

1 marks

Answer: B

This question in 0654/21 Oct/Nov 2018

33 A radio transmitter emits radio waves with a frequency of 1.25 × 108 Hz. The most suitable aerial for this frequency is 4 1 of a wavelength long. The speed of radio waves is 3.0 × 108 m / s. What is the length of the most suitable aerial? A 0.10 m B 0.60 m C 2.4 m D 9.6 m

1 marks

Answer: B

This question in 0654/22 Oct/Nov 2018

33 A radio transmitter emits radio waves with a frequency of 1.25 × 108 Hz. The most suitable aerial for this frequency is 4 1 of a wavelength long. The speed of radio waves is 3.0 × 108 m / s. What is the length of the most suitable aerial? A 0.10 m B 0.60 m C 2.4 m D 9.6 m

1 marks

Answer: B

This question in 0654/23 Oct/Nov 2018

36 Which list consists of three regions of the electromagnetic spectrum in order of increasing frequency (lowest first)? A microwaves, radio waves, ultraviolet waves B microwaves, ultraviolet waves, radio waves C radio waves, microwaves, ultraviolet waves D ultraviolet waves, radio waves, microwaves

1 marks

Answer: C

This question in 0654/21 Oct/Nov 2020

32 Which part of the electromagnetic spectrum is often involved in thermal energy transfer by radiation? A infrared B radio C ultraviolet D X-rays

1 marks

Answer: A

This question in 0654/23 Oct/Nov 2020

35 Which statement about the electromagnetic spectrum is correct? A Gamma-radiation has a lower frequency than visible light. B Infrared radiation has a higher frequency than radio waves. C Microwaves have a smaller wavelength than ultraviolet radiation. D X-rays have a larger wavelength than visible light.

1 marks

Answer: B

This question in 0654/22 May/June 2022

35 The electromagnetic spectrum includes radio waves, infrared waves and X-rays. What is the correct sequence of these waves in order of increasing wavelength (smallest wavelength first)? A infrared waves, radio waves, X-rays B infrared waves, X-rays, radio waves C X-rays, infrared waves, radio waves D X-rays, radio waves, infrared waves

1 marks

Answer: C

This question in 0654/22 Feb/March 2024

32 Which region of the electromagnetic spectrum is often involved in heat transfer by radiation? A infrared B radio C ultraviolet D X-rays

1 marks

Answer: A

This question in 0654/22 May/June 2024

34 Which two types of wave cannot travel at the same speed as each other in a vacuum? A infrared and gamma B ultraviolet and X-rays C light and microwaves D radio waves and sound

1 marks

Answer: D

This question in 0654/23 May/June 2024

34 Gamma rays and microwaves are both electromagnetic radiations. Which statement about their frequencies and speeds in a vacuum is correct? A Gamma rays have greater frequencies than microwaves and travel at a greater speed. B Gamma rays have greater frequencies than microwaves and travel at the same speed. C Gamma rays have smaller frequencies than microwaves and travel at a greater speed. D Gamma rays have smaller frequencies than microwaves and travel at the same speed.

1 marks

Answer: B

This question in 0654/21 Oct/Nov 2024

32 Which method of thermal energy transfer occurs in a vacuum and which region of the electromagnetic spectrum is mainly involved in this type of thermal energy transfer? region of the method of thermal electromagnetic energy transfer spectrum A convection infrared B convection radio waves C radiation infrared D radiation radio waves

1 marks

Answer: C

This question in 0654/22 Feb/March 2025

34 Which statements about electromagnetic waves are correct? 1 The frequency of the waves increases as the wavelength increases. 2 The speed of the waves in a vacuum is 300 000 000 m / s. 3 Electromagnetic waves are transverse. A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

1 marks

Answer: D

This question in 0654/22 Feb/March 2025

35 What is the speed of X-rays in a vacuum? A 3.0  102 m / s B 3.0  104 m / s C 3.0  106 m / s D 3.0  108 m / s

1 marks

Answer: D

This question in 0654/21 May/June 2025

35 Which row shows the type of electromagnetic wave used in each application? television remote satellite television controllers A infrared microwaves B infrared ultraviolet C microwaves microwaves D microwaves ultraviolet

1 marks

Answer: A

This question in 0654/22 May/June 2025

34 Which row describes all electromagnetic waves? approximat e speed in a vacuum type of wave m / s A longitudinal 300 B longitudinal 300 million C transverse 300 D transverse 300 million

1 marks

Answer: D

This question in 0654/23 May/June 2025

40 Which gases make up most of the Sun and in which regions of the electromagnetic spectrum does the Sun mostly radiate its energy? gases electromagnetic regions A hydrogen and helium infrared, visible, ultraviolet B hydrogen and helium visible, ultraviolet, X-rays C methane and helium infrared, visible, ultraviolet D methane and helium visible, ultraviolet, X-rays

1 marks

Answer: A

This question in 0654/23 May/June 2025