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What is the energy of photon from a lase...

What is the energy of photon from a laser that emits light at 632.8 nm

A

`3.14 xx 10^(-19)J`

B

`1.26 xx 10^(-31) J`

C

`2.52 xx 10^(-33)J`

D

`4.19 xx 10^(-40)J`

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The correct Answer is:
A
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