Momentum Of Photon Formula

Momentum Of Photon Formula is

\(p=\frac{h}{\lambda}\)

Where,

p = photon momentum

h =Plank’s constant

λ = photon’s wavelength

Photon momentum is comparatively small value to measure.

An electron with the same momentum has a 1460 m/s velocity, which is non relativistic.

To find photon Energy

\(E=\frac{hc}{\lambda }\)

Where,

E = photon energy

h = Planck’s constant (6.626×10−34 Js)

c = speed of the light

λ = wavelength of the light

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