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4 marksReflection

CSEC Physics · January 2014 · Paper 2 · Question 1(f)(i)

A 10 cm tall tablet computer was placed vertically 20 cm from a plane mirror. Its image distance was found to be 20 cm. Use the data given to calculate

the height of the image of the computer

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Other parts of this question

  1. 1(a)On page 3, plot a graph of image size, I, versus object size, O.[7 marks]
  2. 1(b)Calculate the gradient, G, of the line obtained.[5 marks]
  3. 1(c)State the physical quantity with which the gradient of the graph, G, is associated.[1 mark]
  4. 1(d)During the investigation, Keshorn talked with his friend Atiba about the term 'focal length'. Define the term 'focal length'.[3 marks]
  5. 1(e)With what piece of apparatus in physics is the term 'focal length' associated?[1 mark]
  6. 1(f)(ii)the magnification of this image.[4 marks]

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