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The wave described by y = 0.25 "sin"(10 ...

The wave described by `y = 0.25 "sin"(10 pi x - 2pit)` , where x and y are in metres and t in seconds , is a wave travelling along the:

A

`-ve` x direction with frequency 1 Hz.

B

`+ve` x direction with frequency `pi` Hz and wavelength `lambda = 0.2 m `

C

`+ve` x direction with frequency `1` Hz and wavelength `lambda = 0.2 m `

D

`-ve` x direction with amplitude 0.25 m and wavelength `lambda = 0.2 m`

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The correct Answer is:
C
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