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A travelling wave passes a point of obse...

A travelling wave passes a point of observation. At this point, the time interval between successive crests is 0.2 seconds and

A

the wavelength is 5 m

B

the frequency is 5 Hz

C

the velocity of propagation is 5 m/s

D

the wavelength is 0.2 m

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The correct Answer is:
B
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