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6 marksReflection

CSEC Physics · January 2009 · Paper 2 · Question 4(a)

With the aid of a labelled diagram, describe an experiment to show that the angle of incidence is equal to the angle of reflection.

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Other parts of this question

  1. 4(b)(i)Calculate the angle of refraction at the AD boundary.[9 marks]
  2. 4(b)(ii)What is the value of the angle of emergence at the BC boundary?[9 marks]
  3. 4(b)(iii)If the critical angle for glass is 42°, describe what would happen to the ray if its angle of incidence on boundary BC was 42.5°.[9 marks]
  4. 4(b)(iv)State the reason for your conclusion at (iii) above.[9 marks]

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