Question

Find the frequency of a photon of frequency ‘v’ after falling through a height ‘H’ in earth’s gravitational field. Assume that a photon manifest any increasein its energy by changing its frequency.

Answer 1

hint: \[E = hv\] where E is the energy of the proton, h is planck's constant, and v is the frequency of the proton
also it might be useful to use \[U=mgh\] where U is the potential energy, m is the mass, and h is the height