8.8 Answers to the Problem Set

Problem 2 a) $5.08\times10^{-7}m=5080\mathring{A}$ (yellow)
b) $9.66\times10^{-4}m$ (infrared)
c) $1.024\times10^{-3}m$ (infrared)
d) $1.21\times10^{-3}m$ (infrared)

Problem 3 a) $H\approx22W$ b) $H\approx25.3W=362 \mbox{ cal/min}$

Problem 4 $d$ = separation of pits $\approx$ 6cm.