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JEE Main 24 Feb 2021 Shift 1 Solved Paper
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Question : 18
Total: 90
Given below are two statements :
Statement I Two photons having equal linear momenta have equal wavelengths.
Statement II If the wavelength of photon is decreased, then the momentum and energy of a photon will also decrease.
In the light of the above statements, choose the correct answer from the options given below.
24 Feb 2021 Shift1
Both Statement I and Statement II are true.
Both Statement I and Statement II are false.
Statement I is true but Statement II is false.
Statement I is false but Statement II is true.
Validate
Solution:
As we know,
λ
=
h
p
=
h
√
2
m
K
If linear momenta of two photons are equal, then their wavelengths is also equal.
Also, if the wavelength is decreased, then the momentum |and energy of photon will increase.
Hence, option(c) is correct.
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