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10-12-2020
Chemistry

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Calculate the energy of a photon of 765 nm wavelength light in J.

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Mohed34 Mohed34

10-12-2020

Answer:

2.6×10^-19 J/photon

Explanation:

E of photon = h × ν

where h= 6.63 × 10^-34 j.s

v= C ÷ λ

E = ( h × c) ÷ λ

E = (6.63 × 10^-34 × 3.00 ×10^8 ) ÷ ( 765 × 10^-9)

E = 2.6×10^-19 J/photon

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