A laser beam of pluse power `10^(12)` watt is focussed on an object are `10^(-4) cm^(2)`. The energy flux in `watt//cm^(2)` at the point of focus isA. `10^(20)`B. `10^(16)`C. `10^(8)`D. `10^(4)`

A laser beam of pluse power `10^(12)` watt is focussed on an object ar

1.	A laser beam of pluse power `10^(12)` watt is focussed on an object are `10^(-4) cm^(2)`. The energy flux in `watt//cm^(2)` at the point of focus isA. `10^(20)`B. `10^(16)`C. `10^(8)`D. `10^(4)`
Answer» Correct Answer - B

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A laser beam of pluse power `10^(12)` watt is focussed on an object are `10^(-4) cm^(2)`. The energy flux in `watt//cm^(2)` at the point of focus isA. `10^(20)`B. `10^(16)`C. `10^(8)`D. `10^(4)`

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