The momentum of a photon having energy equal to the rest

Last updated: 6/2/2023

The momentum of a photon having energy equal to the rest mass energy of an electron is 1 2 73 x 10 22 kg ms 1 2 1 99 10 24 kg ms 1 3 3 33 x 10 22 kg ms 1 4 2 11 10 22 kg ms 1 The de Broglie wavelength of electron in 4th orbit of hydrogen atom is Radius of the first orbit is ro 3 1 Tro 4 3 4 3 Turo 2 8 r 4 4 ro 42