If a photon frequency v falls on the surface of earth from a height h, then what will be its frequency on the surface of earth.

Question 1

Question 2

Change in frequency of the photon takes place.

Let v' be the frequency of photon on the surface of earth.

Mass of photon = hν / c2

Mass of the photon depends on its frequency, but we will consider the mass to be constant as difference in v´ and v is very small.

Energy conservation gives

kratos · Answer 1 · 2020-12-30T15:31:46+0000

Change in frequency of the photon takes place.

Let v' be the frequency of photon on the surface of earth.

Mass of photon = hν / c2

Mass of the photon depends on its frequency, but we will consider the mass to be constant as difference in v´ and v is very small.

Energy conservation gives

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