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The energy of a photon is 2 eV. Find its frequency and ...

E = 2 eV = 2 × 1.6 × 10 −19 = 3.2 × 10 −19 J. To find: Frequency (ν); Wavelength (λ). Formulae: E = hν; λ = ν c ν. Calculation: Using formula (i),.

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