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What is the energy of a photon in eV cor...

What is the energy of a photon in eV corresponding to the vissible light of maximum wavelength?

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Maximum wavelength of visible light (i.e., of red light) is 7800Å.
`:.` Energy of red light,
`E=(hc)/lambda=(12400eVÅ)/7800 ~~ 1.6eV`
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PRADEEP-DUAL NATURE OF RADIATION AND MATTER-Exercise
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