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Munawir · Answer 1 · 2019-08-08T10:13:02+0000

The energy in a photon is given by the formula, E=hf
Where h(plank constant)=6.63×10∧-34Js and
f = frequency of the photon

So the energy of the photon is;
E=(6.63×10∧-34) × (6.0×10∧20)

= 3.978×10∧-13J

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