1.

The angular frequency of a pendulum is omega rad s^(-1). If the length is made one fourth of the original length, the angular frequency becomes :

Answer»

`(omega)/(2)`
`2omega`
`4omega`
`omega//4`

Solution :`omega=2pi v=2pi xx(1)/(2pi)SQRT((G)/(L))=sqrt((g)/(l))`
`:.omega.=sqrt((g)/((l)/(4)))=sqrt((4g)/(l))=2sqrt((g)/(l))impliesomega.=2omega`
So correct choice is (B).


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