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A plate of mass 10 gm is in equillibrium...

A plate of mass `10 gm` is in equillibrium in air due to the force exterted by light beam on plate. Calculate powder of beam. Assume plates is perfectly absorbing.

A

`3xx10^(3)W`

B

`3xx10^(7)W`

C

`5xx10^(8)W`

D

`6xx10^(7)W`

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The correct Answer is:
B
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