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7 marksScientific Method

CSEC Physics · January 2014 · Paper 2 · Question 1(a)

Keshorn investigated the relationship between image size, I, and object size, O, while studying shadows. His results are presented in Table 1.

On page 3, plot a graph of image size, I, versus object size, O.

This question uses a figure or table from the paper — you'll see it when you practise.

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Other parts of this question

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

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