P7 Quiz: Light, telescopes and images

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  • Created by: Boma
  • Created on: 23-06-13 22:02

1. Power of a lens is worked out by...

  • ...1/focal length of lens (centimetres)
  • ...1/focal length of lens (metres)
  • ...1/focal length of lens (kilometres)
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Other questions in this quiz

2. Magnification is worked out by...

  • ...focal length of objective lens/focal length of eyepiece lens
  • ...focal length of eyepiece lens/focal length of objective lens

3. What is refraction?

  • The speed of a wave being affected by the medium it passes through
  • The angle of a wave is affected by the medium it passes through
  • The direction of a wave is affected by the medium it passes through

4. Power of a lens is measured in...

  • ...volts
  • ...dioptres
  • ...power level

5. What is a converging (convex) lens?

  • A lens that causes parallel rays to ignore the focal point
  • A lens that causes parallel rays to converge to the focal point
  • A lens that causes parallel rays to diverge from the focal point

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Miss KHP

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Good quiz for OCR Physics. Great as you can check your answers straight away

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