Comparing the masses of the two photons, of red light and violet light
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a
The mass of the photon of violet light is greater than the mass of the red light
b
The mass of photon of violet light is less than the mass of red light
c
The mass of photon of violet light is equal to the mass of red light
d
The mass of photon of violet light may be greater or smaller than the mass of the red light depending upon the surrounding conditions
answer is A.
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Detailed Solution
According to Einstein’s equation mass of a photon is given by the relationE=hϑ=mc2 Or m=hϑc2 or m ∝ ϑSince frequency of violet light photon is greater than the frequency of red light photon.Mass of violet photon is greater than the mass of red photon