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3.2.3a Converging and diverging lenses

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Question 11

A student draws a diagram representing three rays of light from a point source Q Q\,Q passing through a converging lens. Each point labeled F F\,F is a principal focus of the lens.

The diagram shows:

  • Ray A: starts at QQQ, travels parallel to the principal axis to the lens, and refracts through the focus F F\,F on the right.
  • Ray B: starts at QQQ, travels towards the optical center of the lens, and refracts with a change in direction (bending) as it passes through the center.
  • Ray C: starts at QQQ, travels through the focus F F\,F on the left to the lens, and refracts parallel to the principal axis.

Which of the rays has the student drawn correctly?

A

ray A and ray B

B

ray A and ray C

C

ray B and ray C

D

ray C only

Markscheme

3.2.3a Converging and diverging lenses Questions

  1. IGCSE
  2. /Physics
  3. /3.2.3a Converging and diverging lenses

56 exam-style questions on CIE IGCSE Physics 3.2.3a Converging and diverging lenses. Each one has a worked solution and a mark scheme showing where the marks go.

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