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A wave is represented by the equation y=...

A wave is represented by the equation `y=0.5 sin (10 t-x)m`. It is a travelling wave propagating along the + x direction with velocity

A

`40 ms^(-1)`

B

`20 ms^(-1)`

C

`5 ms^(-1)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
D
Compare the given equation with the standard form
`y = sin [(2pi t)/T+(2pi x)/lambda]`
`(2pi)/T=10, (2pi)/lambda =1`
`implies v=lambda/T=10/1=10 ms^(-1)`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-WAVE MOTION-Exercise 1
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