Download the app

Questions  

If the radius of a star is R and it acts as a black body, what would be the temperature of the star, in which the rate of energy production is Q ?

a
4πR2Qσ14
b
Q4πR2σ14
c
Q4πR2σ
d
Q4πR2σ-12

detailed solution

Correct option is B

Rate of energy production per unit area =QA=σT4Per unit area ⇒T=Q4πR2σ14

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?


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 :


phone icon
whats app icon