1.

A simple harmonic oscillator has an amplitude A and time period T, the time required by it to travel from x = A to x=(A)/(2) is :

Answer»

`(T)/(6)`
`(T)/(4)`
`(5T)/(7)`
`(T)/(2)`.

Solution :X = A `COS omegat`.
`(A)/(2)=A cos omega timpliesomega t=pi//3`.
`(2pi)/(T).t=pi//3impliest=T//6`
Hence correct CHOICE is (a).


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