Questions
If the temperature of the sun were to be increased from T to 2T and its radius from R to 2R, then the ratio of the radiant energy received on the earth to what it was previously will be
detailed solution
Correct option is D
Q directly proportional to r2T4 ⇒ Q2Q1 = (r2r1)2×(T2T1)4 = (2)2×(2)4 = 64Talk to our academic expert!
Similar Questions
For a black body at temperature 727°C, its radiating power is 60W and temperature of surrounding is 227° C. If temperature of black body is changed to 1227°C, then its
radiating power will be :
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