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Question
Q462) The energy of a photon is given as ΔE/atom=3.03×10-19 J atom-1. thus the wavelength (λ) of photon is .. [CBSE PMT 2000]
h=6.63 ×10-34 Js,
c=3.0 ×108 m/s




SOLUTION

E=hc/λ

Answer: (b)