Author Question: Most stars radiate much like black bodies. Consider two stars having the same surface temperature, ... (Read 33 times)

soccerdreamer_17 · **on:** Jul 27, 2018

Most stars radiate much like black bodies. Consider two stars having the same surface temperature, the second having 10 times the diameter of the first. The power radiated per unit area is

A) 102 times larger for the 2nd.
B) 10 times larger for the 2nd.
C) the same for both.
D) 104 times larger for the 2nd.
E) 108 times larger for the 2nd.

Question 2

The polarization of sunlight is greatest at

A) sunrise.
B) midday.
C) both sunrise and sunset.
D) sunset.