A particle is executing simple harmonic ...

A particle is executing simple harmonic motion with a period of T seconds and amplitude a metre . The shortest time it takes to reach a point `a/sqrt2` from its mean position in seconds is

`T`

`T/8`

`T/4`

`T/16`

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The correct Answer is:

`y = a sin wt` `y = 1/sqrt2`

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