1.

A metallic wire of 1 m length has a mass of 10xx10^(-3)kg. If a tension of 100 N is applied to a wire, what is the speed of transverse wave ?

Answer»

`100 ms^(-1)`
`10 ms^(-1)`
`200 ms^(-1)`
`0.1 ms^(-1)`

Solution :LINEAR DENSITY `m = ("mass")/("LENGTH") = (10 xx 10^(-3))/(1) =10 xx 10^(-3) kg//m`
The speed of the transverse WAVE is `V = sqrt((T)/(m)) = sqrt((100)/(10 xx 10^(3))) = 100 m//s`


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