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Shows a snapshot of a travelling wave t...

Shows a snapshot of a travelling wave taken at `t=0.3s`. The wavelength is 7.5 cm and amplitude is 2 cm. if the crest P was at x=0 at t=0, write the equation of travelling wave.

A

`y=2sin((4pi)/(15)x-(16pi)/(15)t)`

B

`y=2cos((16pi)/(15)t-(4pi)/(15)x)`

C

`y=2sin((16pi)/(15)t-(4pi)/(15)x)`

D

`y=-2cos((16pi)/(15)t-(4pi)/(15)x)`

Text Solution

Verified by Experts

The correct Answer is:
B
`y=Asin(omegat-kx)` where `k=(2pi)/(lambda)`, `omega=(2pi)/(T)`
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