Free neutron changes into proton with the emission of__________________?
A. Neutrino B. Electron C. Both A & B D. Meson
A. Neutrino B. Electron C. Both A & B D. Meson
A. J.J Thomson B. Millikan C. Rutherford D. Perrin
A. Gamma-rays B. Alpha-rays C. Beta-rays D. X-rays
A. when electrons jump down to 2nd- orbit B. when electrons jump down to 3rd- orbit C. when electrons jump down to 4th- orbit D. when electrons jump down to 5th- orbit
A. Orbit is cylindrical B. Orbit is elliptical C. Orbit is longitudinal D. Orbit is asymmetrical
A. Moseley B. Davisson and Germer C. Einstein D. Roentgen
A. n B. 1 C. m D. s
A. Electron B. Positron C. Neutron D. None of above has such capability
A. Attractive forces B. Repulsive force C. Electrons D. Neutrons