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

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

A

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

B

`-x`-direction with frequency 1 Hz

C

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

D

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

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The correct Answer is:
D
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