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The equetion of a wave travelling on a s...

The equetion of a wave travelling on a string is
`y = 4 sin(pi)/(2)(8t-(x)/(8))`
if x and y are in centimetres, then velocity of waves is

A

`64cms^(-1)" in "-x" direction"`

B

`32cms^(-1)" in "-x" direction"`

C

`32cms^(-1)" in "+x" direction"`

D

`64cms^(-1)" in "+x" direction"`

Text Solution

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The correct Answer is:
D
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