Question 20
FThe Figure shows the groups of the electromagnetic spectrum. Three of the groups are labelled A, B and C.
Figure
a.[3]
Give the names of the groups labelled A, B and C.
b.[1]
State how the wavelength of the waves changes from radio waves to group C.
c.[1]
The electromagnetic spectrum is described as continuous.
State what is meant by continuous.
d.[2]
A student says:
'Infrared and visible light are completely different types of wave.'
Explain why the student is wrong.
5.2 The electromagnetic spectrum Questions
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.