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Question

A wave is travelling on a string with the frequency 4 cycles per second, and its speed is 0.08 meters per second.
Calculate the wavelength of the wave?

A
0.25 m
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B
0.55 m
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C
3.125 m
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D
0.02 m
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E
12.55 m
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Solution

The correct option is D 0.02 m
Given : f=4cycles/s,v=0.08m/s
we have, v=fλ (where λ is the wavelength of wave)
or λ=v/f=0.08/4=0.02m

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