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The amplitude and time period in SHM are...

The amplitude and time period in SHM are 0.8 cm and 0.2 sec respectively. If the initial phase is `pi//2` radian, then the equation representing SHM is -

A

`y=0.8cos 10pit`

B

`y=0.8sinpit`

C

`y=3xx0.8sinpit`

D

`y=0.8sin10pit`

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The correct Answer is:
A
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