Question:
In the spectrum of light of a luminous heavenly body the
Last updated: 6/12/2023
In the spectrum of light of a luminous heavenly body the wavelength of a spectral line is measured to be 4747 while actual wavelength of the line is 4700 The relative velocity of the heavenly body with respect to earth will be velocity of light is 3 108 m s 1 3 x 105 m s towards earth 2 3 x 105 m s away from earth 3 3 x 106 m s towards earth 4 3 x 106 m s away from earth