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Electromagnetic spectrum

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Question 18

What is the speed of microwaves in a vacuum and what is the speed of ultraviolet (UV) radiation in a vacuum?

A

Speed of microwaves is less than 3.0×108 m/s3.0 \times 10^8 \text{ m/s}3.0×108 m/s; speed of UV radiation is less than 3.0×108 m/s3.0 \times 10^8 \text{ m/s}3.0×108 m/s.

B

Speed of microwaves is less than 3.0×108 m/s3.0 \times 10^8 \text{ m/s}3.0×108 m/s; speed of UV radiation is more than 3.0×108 m/s3.0 \times 10^8 \text{ m/s}3.0×108 m/s.

C

Speed of microwaves is 3.0×108 m/s3.0 \times 10^8 \text{ m/s}3.0×108 m/s; speed of UV radiation is 3.0×108 m/s3.0 \times 10^8 \text{ m/s}3.0×108 m/s.

D

Speed of microwaves is more than 3.0×108 m/s3.0 \times 10^8 \text{ m/s}3.0×108 m/s; speed of UV radiation is more than 3.0×108 m/s3.0 \times 10^8 \text{ m/s}3.0×108 m/s.

Markscheme

Electromagnetic spectrum Questions

  1. IGCSE
  2. /Physics
  3. /Electromagnetic spectrum

198 exam-style questions on CIE IGCSE Physics Electromagnetic spectrum, covering Electromagnetic spectrum. Each one has a worked solution and a mark scheme showing where the marks go.

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