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A wave is represented by the equation ...

A wave is represented by the equation
`y = A sin(10pix + 15pit + (pi)/(3))`
where `x` is in meter and `t` is in seconds. The expression represents :

A

a waves travelling in the positive `x` direction with a velocity of `1.5m//s`

B

a wave travelling in the negative `x`-direction with a velocity of `1.5m//s`

C

a wave travelling in the negative `x`-direction with a wavelength of `0.2m`

D

a wave travelling in the positive `x`- direction with a wavelength of `0.2m`

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The correct Answer is:
B, C, D
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