Question

A black body is at a temperature of $500$K. It emits its energy at a rate which is proportional to :

• A. $500$
• B. $(500{)}^2$
• C. $(500{)}^3$
• D. $(500{)}^4$

Answer 1

Answer: (D)

$(500{)}^4$

From stefan's boltzmann relation we know that: $E\propto T^4$
So, $E\propto {500}^4$