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The equation of a progressive wave is gi...

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

A

314 cm/sec

B

628 cm/sec

C

20 cm/sec

D

400 cm/sec

Text Solution

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The correct Answer is:
C
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