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A laser used to weld detached retinas em...

A laser used to weld detached retinas emits light with a wavelength of 652 nm in pulses that are 20.0ms in duration. The average power during each pulse is 0.6 W. then,

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
`E=pt,E("in each photon" )=(hc)/lambda`
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