PHYS 202 Midterm: PHYS 202 TAMU s10 Exam 4 Solutions
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Note: the speed of light in air is c = 3. 00 x 108 rn/s. No work need be shown and no partial credit will be given. (6 pts) 1. The nucleus 1890 undergoes 3 there in the daughter nucleus produced by this decay? (beta-minus) decay. How many neutrons are (a) 19 (b 11 c)jo (d) 9 (e) 8 (f) 7 (g) 12 (h) none of the above answers (6 pts) 2. A state of a hydrogen atom has energy e = 1. 51 ev. In the quantum mechanical description of the atom, what is the largest possible z-component of angular momentum of an electron in a state with this energy? (a) 0 (b) ti. C((t2, (d) 37. (e) none of the above answers (6 pts) 3. When light of wavelength a is incident on a metal surface, photoelectrons with maximum kinetic energy kmax are produced.
