The wavelength of the light received from a galaxy is 0 4

Last updated: 6/8/2023

The wavelength of the light received from a galaxy is 0 4 greater than the wave length on the earth then the velocity of galaxy relative to the earth will be 1 1 2 107 m sec 3 1 2 105 m sec 2 1 2 106 m sec 4 1 2 x 10 m sec