Лаг1989 задача №26.42
An electron and a positron, which had the same kinetic energy of 0.72 MeV, turned into a pair of photons during the collision. Find the energy and wavelength of each of the resulting photons.
Thank you for your purchase. If you have any questions, please contact us by e-mail (see. "Seller Information")
Оплата и выдача товара осуществляются через партнёрскую платформу.