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Q.

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

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a

Both Statement I and Statement II are true

b

Statement I is false but Statement II is true

c

Statement I is true but Statement II is false

d

Both Statement I and Statement II are false

answer is D.

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Detailed Solution

$λ = \frac{h}{p} = \frac{h}{\sqrt{2 m E}}$

$So, If Momentum is same, wavelength is same, but if wavelength decreases both momentum and energy increases.$

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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