Waves - Result Question 16

16. 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

[1998]

(a) 1.47Hz

(b) 0.36Hz

(c) 0.73Hz

(d) 2.94Hz

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Answer:

Correct Answer: 16. (a)

Solution:

  1. (a) 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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