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5.1 Reflection, refraction and lenses

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Question 1

A beam from an underwater lamp reaches the flat surface of the water at an angle to the normal. The angle of incidence is below the critical angle.

Which describes the path of the refracted ray after it leaves the water?

[1]
A

it continues at the same angle to the normal as the incident ray

B

it travels closer to the normal than the incident ray

C

it travels closer to the water surface than the incident ray

D

it does not enter the air because total internal reflection occurs

Markscheme

5.1 Reflection, refraction and lenses Questions

  1. GCSE
  2. /Physics
  3. /5.1 Reflection, refraction and lenses

93 exam-style questions on Edexcel GCSE Physics 5.1 Reflection, refraction and lenses, covering 5.1.1 Reflection, refraction and total internal reflection, 5.1.2 Specular and diffuse reflection, 5.1.3 Colour of light: absorption and filters, 5.1.4 Lenses: power, focal length and shape, 5.1.5 Ray diagrams for converging and diverging lenses, and 5.1.6 Real and virtual images. Each one has a worked solution and a mark scheme showing where the marks go.

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