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5.1 Reflection, refraction and lenses

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Question 19

A museum conservator shines an inspection lamp on an opaque coating on a display label and looks at the coating through a viewing filter.

Inspection lamp emitsCoating reflectsViewing filter transmits
red and bluered and greenred and blue

The lamp emits no other colours. The coating absorbs every colour it does not reflect, and the filter absorbs every colour it does not transmit.

Which colour or colours of light reach the conservator's eye?

[1]
A

red and green

B

red and blue

C

blue only

D

red only

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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