Q.

The equation of a plane progressive wave is given by y=0.025sin(100t+0.25x). The frequency of this wave would be

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a

50πHz

b

100πHz

c

100 Hz

d

50 Hz

answer is A.

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Detailed Solution

Compare the given equation with y=asin(ωt+kx). We get ω=2πn=100⇒n=50πHz
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