The duration of a laser pulse is 10^(-8)...

The duration of a laser pulse is `10^(-8)` s. The uncertainly in its energy will be

A

`6.6xx10^(-26)`J

B

`6.6xx10^(-42)` J

C

`6.6xx10^(-34)` J

D

`1/6.6xx10^26` J

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