Question 43

A boat at anchor is rocked by waves whose consecutive crests are 100 m apart. The wave
velocity of the moving crests is 25 ms-1. What is the frequency of rocking of the boat?

Solution

Formula:

Velocity = Frequency $$\times$$ Wavelength

Frequency = $$\frac{25}{100} s^-1$$

So , the answer would be Option b).25Hz .

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