Surface waves travelling in deep water at 15ms-1 are incident at a shallow water boundary....

WAEC 2001

Surface waves travelling in deep water at 15ms^-1 are incident at a shallow water boundary. If the angles of incidence and refraction are 45^o and 30^o respectively. Calculate the speed of the waves in shallow water

A. 8.1ms^-1
B. 10.0ms^-1
C. 10.6ms^-1
D. 22.5ms^-1

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Correct Answer: Option C

Explanation

n = \(\frac{\sin 45}{\sin 30} = 1.4142\)

n = \(\frac{15m/s}{x}\)

x = \(\frac{15}{1.4142}\) = 10.6m/s

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Surface waves travelling in deep water at 15ms-1 are incident at a shallow water boundary....

Correct Answer: Option C

Explanation

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