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Equation of travelling wave on a stertch...

Equation of travelling wave on a stertched string of linear density `5 g // m` is y=00.3 sin (450 t - 9 x) where distance and time are measured in SI units. The tension in the string is

A

12.5N

B

7.5N

C

10N

D

5N

Text Solution

Verified by Experts

The correct Answer is:
A
`V = (omega)/(K)=(450)/(9)=50m//S` `V=sqrt(T)/(mu)`
So, `T = muV^(2) = 5xx10^(-3) xx 2500 = 12.5 N`
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