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A laser used to weld detached retains em...

A laser used to weld detached retains emits light with a wavelength 652 nm in pulses that are of 20ms duration. The average power during each pulse is 0.6W. The energy in each pulse and in a single photon are

A

`7.5xx10^(15)eV,2.7eV`

B

`6.5xx10^(16) eV,2.9eV`

C

`6.5xx10^(16) eV,2.7eV`

D

`7.5xx10^(16) eV,1.9eV`

Text Solution

Verified by Experts

The correct Answer is:
D
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