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3 marksPhysics of the Ear and Eye

CAPE Physics Unit 1 · 2014 · Paper 2 · Question 2(a)(ii)

A fifteen-year-old girl frequently listens to her iPod via a single earphone placed in her right ear. Describe an experiment which you could do in the physics laboratory to test whether the frequency response of her right ear is now different from that of her left ear.

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Other parts of this question

  1. 2(a)(i)What is the approximate range of frequencies which can be heard by a young adult with normal hearing?[1 mark]
  2. 2(b)Show that T, the period of the waves, in terms of g and λ is given by T = sqrt(2πλ / g).[4 marks]
  3. 2(c)Calculate the value of T when the wavelength is 0.8 m.[2 marks]
  4. 2(d)(i)Complete the diagram below to show the different regions of the electromagnetic spectrum.[2 marks]
  5. 2(d)(ii)Write down approximate values for the following: λ_1, λ_2, λ_3, λ_4.[3 marks]

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