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प्रश्न
The energy of photon of wavelength X is_____ .
[h = Planck’s constant, c = speed of light in vacuum]
विकल्प
hcλ
`(hλ)/c`
`λ/(hc)`
`(hc)/λ`
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उत्तर
`(hc)/lambda`
Energy of a photon E =`hv=(hc)/lambda`
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