Physics (AS & A Level) · Oct / Nov 2019 · Paper 21 · Question 5
9702
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A ripple tank is used to demonstrate the interference of water waves. Two dippers D1 and D2 produce coherent waves that have circular wavefronts, as illustrated in Fig. 5.1. D1 D2 X Fig. 5.1 The lines in the diagram represent crests. The waves have a wavelength of 6.0 cm.
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5(a)(i)[1]
5(a)(ii)[1]
5(b)[1]
5(c)[2]
5(d)(i)[1]
5(d)(ii)[1]
5(e)[1]
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