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  • The energy of a photon E = h and momentum p = <img alt="\frac {h}{\lambda}" src="https://entrancecorner.oncode

The energy of a photon E = h\nu and momentum p = \frac {h}{\lambda}. On this basis, the velocity of the light wave will be:

Option: 1

p/ E


Option: 2

E/ p


Option: 3

E * p


Option: 4

(E/ p)2


Answers (1)

best_answer

Speed of light, c = \mu \lambda

                \implies \mu = \frac{c}{\lambda}

\implies E = h \nu = \frac{hc}{\lambda}

Put:

p = \frac{h}{\lambda}              

                  \implies E = pc        

                \implies c = \frac{E}{p}

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