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3.2 Light

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Question 24

Which statement about a thin diverging lens is correct?

A

All rays of light refracted by the lens pass through the principal focus.

B

All rays initially parallel to the principal axis of the lens are refracted such that they appear to diverge from the principal focus.

C

The focal length of the lens is the distance between the virtual image and the principal focus.

D

The focal length of the lens is the distance between the object and the principal focus.

Markscheme

3.2 Light Questions

  1. IGCSE
  2. /Physics
  3. /3.2 Light

216 exam-style questions on CIE IGCSE Physics 3.2 Light, covering 3.2.1a Reflection of light, 3.2.1b Images in a plane mirror, 3.2.2 Refraction of light, 3.2.2a Refraction of light, 3.2.2b Total internal reflection, 3.2.2c Refractive index and critical angle, 3.2.2d Optical fibres, 3.2.3a Converging and diverging lenses, 3.2.3b Ray diagrams and the nature of images, 3.2.3c Virtual images and the magnifying glass, 3.2.3d Correcting long-sightedness and short-sightedness, and 3.2.4 Dispersion of light. Each one has a worked solution and a mark scheme showing where the marks go.

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