CBSE Class 12 Physics 2022 Term 2 Delhi Set 1 Solved Paper
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Question : 9 of 12
Marks:
+1,
-0
(a) Calculate the energy and momentum of a photon in a monochromatic beam of wavelength .3
(b) How fast should a hydrogen atom travel in order to have the same momentum as that of the photon in part (a)?
(b) How fast should a hydrogen atom travel in order to have the same momentum as that of the photon in part (a)?
Solution:
(a) Energy
Or,
Momentum
Or,
(b) Momentum of Hydrogen atom
Or,
Or,
Or,
Or,
Momentum
Or,
(b) Momentum of Hydrogen atom
Or,
Or,
Or,
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