CAIE IGCSE Physics 3.3 Electromagnetic Spectrum Topic Practice

CourseCourseConceptConceptDocsDocuments

Question 1

[Maximum number: 1]

Which statement correctly compares radio waves and X-rays?

A

Radio waves have a longer wavelength and a greater speed in a vacuum.

B

Radio waves have a longer wavelength and the same speed in a vacuum.

C

Radio waves have a shorter wavelength and a greater speed in a vacuum.

D

Radio waves have a shorter wavelength and the same speed in a vacuum.

Question 2

[Maximum number: 1]

Which part of the electromagnetic spectrum is used to send television signals from a satellite to Earth?

A

infra-red

B

microwaves

C

ultraviolet

D

visible light

Question 3

[Maximum number: 1]

Which statement correctly compares radio waves and X-rays?

A

Radio waves have a longer wavelength and a greater speed in a vacuum.

B

Radio waves have a longer wavelength and the same speed in a vacuum.

C

Radio waves have a shorter wavelength and a greater speed in a vacuum.

D

Radio waves have a shorter wavelength and the same speed in a vacuum.

All question bank results loaded