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The equation of a transverse wave propag...

The equation of a transverse wave propagating in a string is given by
`y = 0.02 sin (x + 30t)`
where, `x and y` are in second.
If linear density of the string is `1.3 xx 10^(-4)kg//m`, then the tension in the string is

A

`0.12N`

B

`1.2N`

C

`12 N`

D

`120 N`

Text Solution

Verified by Experts

The correct Answer is:
A
`v=(omega)/(k) = sqrt((T)/(mu)`
`:. T =mu((omega)/(k))^(2) =(1.3 xx 10^(-4))((30)/(1))^(2)`
`=0.12N`
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