QJEEM07Ph8e0d: JEE Main 2007 Physics - Class 12 JEEM07Ph8e0d Solution: Photon of frequency v has a momentum associated with it. If c…

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Photon of frequency

v

has a momentum associated with it. If

c

is the velocity of light, the momentum is

Accepted Answer

Energy of a photon of frequency

v

is given by

E = h v .

Also,

E = m c^{2}, m c^{2} = h v

\Rightarrow m c = \frac{h v}{C} \Rightarrow p = \frac{h v}{c}

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