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5.1 Reflection, refraction and lenses

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Question 12

A candle flame is 30 cm from the optical centre of a converging lens. The focal length of the lens is 15 cm.

Which describes where the lens forms an image of the flame, and its size?

[1]
A

30 cm30\ \mathrm{cm}30 cm from the lens on the opposite side, and the same size as the flame

B

more than 30 cm30\ \mathrm{cm}30 cm from the lens on the opposite side, and larger than the flame

C

on the same side of the lens as the flame, and larger than the flame

D

between 15 cm15\ \mathrm{cm}15 cm and 30 cm30\ \mathrm{cm}30 cm from the lens on the opposite side, and smaller than the flame

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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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