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 t

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 is
A. `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 are `10^(-4) cm^(2)`. The energy flux in `watt//cm^(2)` at the point of focus is

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