Transmission Of Heat Question 346
Question: An electric heater, assumed to be a black body has a temperature of $ 727{}^\circ C $ . If its temperature is raised to $ 1727{}^\circ C, $ the amount of energy radiated per unit time now as compared with that in the first case will be
Options:
A) twice
B) 4 times
C) 16 times
D) 100 times
Show Answer
Answer:
Correct Answer: C
Solution:
[c] $ E\propto T^{4} $