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5.1 Reflection, refraction and lenses

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Question 9

A technician is selecting one of four converging lenses for a projection system. The table gives the power of each lens.

LensPower in D
J+8.0
K+5.0
L+10.0
M+4.0

Which lens has the longest focal length?

[1]
A

Lens L

B

Lens M

C

Lens K

D

Lens J

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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