Q.

In a sinusoidal wave, the time required for a particular point to move from maximum displacement to zero displacement is 0.170 sec. The frequency of the wave is 

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a

2.94 Hz

b

1.47 Hz

c

0.36 Hz

d

0.73 Hz

answer is A.

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Detailed Solution

Time taken to move from maximum to zero displacement =T4

 Time period T=4×0.170 second

 Frequency, n=1T=14×0.170=1.47Hz

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