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The equation of a progressive wave is gi...

The equation of a progressive wave is given by `y=a sin (628t-31.4x)`. If the distance are expressed in cms and time seconds, then the wave in this string wll be

A

314 cn

B

628 cm

C

5 cm

D

400 cm

Text Solution

Verified by Experts

The correct Answer is:
C
`k=(2pi)/(lambda)=31.4`
`lambda=5 cm`
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