question_answer

An electron and a proton are separated by a large distance and the electron approaches the protons with a kinetic energy of 4.11 eV. If the electron in captured by the proton to form hydrogen atom in the ground state, the wavelength of photon given of \[\alpha \times {{10}^{2}}\overset{\text{o}}{\mathop{\text{A}}}\,\]? Find the value of a.

Answer:

7.00