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प्रश्न
The momentum of a photon of de Broglie wavelength 5000Å is _______.
[Planck’s constant = 6.63 x10-34 J.s.]
पर्याय
1.326 x10-28 kg-m/s
7.54 x10-28 kg-m/s
1.326 x10-27 kg-m/s
7.54 x10-27 kg-m/s
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उत्तर
1.326 x10-27 kg-m/s
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