Question

Page 4 ot 15 QUESTION AB A proton with 100 eV kinetic energy collides with an electron in an atom in ground stat e (0 ev). The electrorn moves to an orbital with a potential of 70 eV. The kinetic ener a) Oev b) 40 ev rgy of the proton after the collision is 70 eV e) None of the above QUESTION A9 The electron in the previous question moves back to ground state after the collision. The energy of the radiation that is emitted is: a) 0 ev b) 20 ev c) 30 ev 70 eV e) None of the above QUESTION A10 The frequency of the radiation (in Hz) that is emitted in the previous question is (h Planck's constant ) a) o b) 30X 1.6 X 10/h c) 50X 1.6 X 10s/h h, /63 1634 70X 16x10/h e) None of the above Total Part A: 10 m

Answer 1

Tahalei