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A transverse wave of amplitude 0.5 m and...

A transverse wave of amplitude `0.5 m` and wavelength 1 m and frequency 2 Hz is propagating in a string in the negative x - direction. The expression for this wave is

A

`y(x,t)=0.5 sin (2 pi x-4 pi t)`

B

`y(x,t)=0.5 cos (2 pi x+ 4 pi t)`

C

`y(x,t)=0.5 sin (pi x-2 pi t)`

D

`y(x,t)=0.5 cos (2 pi x + 2 pi t)`

Text Solution

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The correct Answer is:
B
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