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?
detailed solution
Correct option is D
From Stefan' law, E=σT4So, the rate of energy production, Q=E×A⇒Q=σT4×4πR2Temperature of star, T=Q4πR2σ1/4Talk 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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