QUIZ # 2 - PHYS 300 (Mendes, spring 2010)
1. (a) The energy required to remove an electron from sodium is 2.3 eV. What is the
cutoff wavelength for photoelectric emission from sodium? (b) Does sodium show a
photoelectric effect for yell
QUIZ # 1 - PHYS 300 (Mendes, spring 2010)
1) At a given temperature, max 650 nm for a blackbody cavity. What will max be if
the temperature of the cavity walls is increased so that the rate of emission of spectral
radiation is doubled?
.1. Write down a formula specifying the points in a one—dimensional reciprocal
'2. Supmme al :2 ("L/‘20 + and a3 2 (1/202 + i). What is al x 3.2?
3. Using Bloch’s theorem, write down a. formula. relating the functiens
-q7:k(r + l) and with). (5