Star A’s surface temperature is 5000K and its radius is the same as the Sun’s. Star B’s surface temperature is 15000K and its radius is 4 times that of the Sun’s. Star Bradiates heat how many times Star B radiates in one second? Assume e- 1 for both stars.
A. 12
B. 24
C. 48
D. 96
E. 324
F. 648
G.1296
H. 81
l. 162
j. 3