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5.2 The electromagnetic spectrum

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Question 14
F

A student measures the angle of refraction four times for the same angle of incidence.

ReadingAngle of refraction
P24∘24^\circ24∘
Q25∘25^\circ25∘
R43∘43^\circ43∘
S26∘26^\circ26∘

The student repeats reading R and obtains 25∘25^\circ25∘, confirming that 43∘ 43^\circ\,43∘ was anomalous.

What is the mean of the four readings after replacing the anomalous value?

[1]
A

25.0∘25.0^\circ25.0∘

B

29.5∘29.5^\circ29.5∘

C

31.3∘31.3^\circ31.3∘

D

33.3∘33.3^\circ33.3∘

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.

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