Transmission Of Heat Question 220

Question: If the temperature of the sun (black body) is doubled, the rate of energy received on earth will be increased by a factor of

[CBSE PMT 1993; BHU 2003; RPMT 2004; CPMT 2004]

Options:

A) 2

B) 4

C) 8

D) 16

Show Answer

Answer:

Correct Answer: D

Solution:

Amount of energy radiated $ \propto $ (Temperature)4.