In a ripple tank experiment, 40 crests pass a fixed point in 5.0 s

PHYSICS · Single correct · CBSE · Physics · Sound · Sound

Problem

In a ripple tank experiment, 40 crests pass a fixed point in 5.0 s. What is the frequency of the wave? (a)

7.8\text{ Hz}

(b)

0.125\text{ Hz}

(c)

8\text{ Hz}

(d)

200\text{ Hz}

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