Does a photon, like a moving panicle such as an electron, have a momentum? fa) N

Question

Does a photon, like a moving panicle such as an electron, have a momentum? fa) No. because a photon is a wave, and a wave does not have a momentum, (h) No. because a photon has no mass, and mass is necessary in order to have a momentum, (c) No. because a photon, always traveling at the speed of light in a vacuum, would have an infinite momentum, (d) Yes. and (he magnitude p of the photon's momentum is related to its wavelength A by p = lambda. where h is Planck's constant, (e) Yes. and the magnitude p of the photon's momentum is related to its wavelength A by p = lambda. where h is Planck's constant.

Explanation / Answer

Photons have both mass and velocity so they also have momentum. Wavelength = h/p=h/mc therefore p=h/w Correct answer is D Hope this helped!

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