Skip to content

Course home

Sign up

5.2 The electromagnetic spectrum

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536
Question 20
F

A detector receives infrared radiation of wavelength 2.0 × 10-6 m in a vacuum.

The speed of electromagnetic waves is 3.0 × 108 m/s.

Use v=fλv=f\lambdav=fλ.

What is the frequency of this radiation?

[1]
A

6.0×102 Hz6.0\times10^2\ \mathrm{Hz}6.0×102 Hz

B

1.5×102 Hz1.5\times10^2\ \mathrm{Hz}1.5×102 Hz

C

6.0×1014 Hz6.0\times10^{14}\ \mathrm{Hz}6.0×1014 Hz

D

1.5×1014 Hz1.5\times10^{14}\ \mathrm{Hz}1.5×1014 Hz

Markscheme

5.2 The electromagnetic spectrum Questions

  1. GCSE
  2. /Physics
  3. /5.2 The electromagnetic spectrum

84 exam-style questions on Edexcel GCSE Physics 5.2 The electromagnetic spectrum, covering 5.2.1 Electromagnetic waves and refraction in glass (core practical), 5.2.2 Groups of the electromagnetic spectrum, 5.2.3 Wavelength-dependent behaviour of EM waves, and 5.2.4 Velocities of EM waves in different substances. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank