Question

8. In a tank 5 ripples are produced in 0.5 second . find frequency

Answer 1

Answer:

Frequency (f)= number of oscillations / time taken =15/1=15 Hz

The distance between a crest and a trough is equal to half of wavelength (λ).

or 20=λ/2 or λ=40 cm

Velocity of wave, v=fλ=15×40=600cm/s

Explanation:

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