Brief answers exam #2 2008

1b 2b 3c 4b 5d 6b 7c 8b 9d 10b

11 a) yes b) 0.48 eV c) 7.55X10¹⁵ photons/s

12 a) 1 mm b) 1.50X10^-12 eV

13 hbar*omega-zero/2

14 a) 1.50 eV b) zero c) 1.34 eV/c

15 a) Uncertainty in energy is at least 1.65X10^-9 eV.  Nothing can be determined about the likely values of E or average value of E. b) infinity