A black body is at temperature of 500 K. It emits energy

Home » Thermal Physics » Thermal Properties of Matter » Question

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

1. (500)⁴
2. (500)³
3. (500)²
4. 500

Correct Option: A

According to Stefan's Law E = σeAT⁴;
E ∝ T⁴ ; so, E ∝ (500)⁴