A chord attached to a viberating tunning...

A chord attached to a viberating tunning fork divides it into 6loops, when its tension is 36N. The tensin at which it will viberate in 4loops is

` 24 N`

`36 N`

`64 N`

`81 N`

Text Solution

Verified by Experts

The correct Answer is:

`f = (p)/( 2 L) sqrt((T)/(mu))`
`rArr p_(1) sqrt(T_(1)) = p_(2) sqrt(T_(2))`
`rArr 6 sqrt(36) = 4 sqrt(T_(2)) rArr T_(2) = 81 N`

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