In a ripple tank,15 full ripples are produced in one second. if the distance between a trough and the next crest is 20 c.Calculate velocity of the wave.
A
200 cm/s
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B
400 cm/s
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C
600 cm/s
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D
800 cm/s
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Solution
The correct option is C 600 cm/s 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).