CAPE Physics Unit 1 · 2014 · Paper 2 · Question 2(a)(i)
What is the approximate range of frequencies which can be heard by a young adult with normal hearing?
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- 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…[3 marks]
- 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]
- 2(c)Calculate the value of T when the wavelength is 0.8 m.[2 marks]
- 2(d)(i)Complete the diagram below to show the different regions of the electromagnetic spectrum.[2 marks]
- 2(d)(ii)Write down approximate values for the following: λ_1, λ_2, λ_3, λ_4.[3 marks]
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