1.

A stiff wire is bent into a cylinder loop of diameter `D`. It is clamped by knife edges at two points opposite to each other . A transverse wave is sent around the loop by means resonance frequency (fundamental mode) of the loop in terms of wave speed `v` and diameter `D` isA. `(v)/(D)`B. `( 2v)/( pi D)`C. `(v)/( pi D)`D. `(v)/( 2 pi D)`

Answer» Correct Answer - C
Supports for the loop are resonable for nodes at two points .
`pi r = n ((lambda)/(2))`
`pi (D)/(2) = n (lambda)/(2)`
`f = n((v)/(pi D))`
Fundamental frequency ` = v// pi D`


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