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The displacement y of a particle in a me...

The displacement y of a particle in a medium can be expressed as `y = 10^(-6) sin (100t+20 x+ (pi)/(4))m` where 't' is in second and x in metre. The speed of wave is

A

`2000ms^(-1)`

B

`5ms^(-1)`

C

`20ms^(-1)`

D

`5pi ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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