A blackbody emits radiant energy at the rate E per unit area at temperature T. At temperature 2T, the rate will be

Options

  • A. 2E
  • B. 4E
  • C. 8E
  • D. 16E
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

D. 16E

Detailed Explanation

The ratio is (2T/T)⁴ = 16, so the new radiation rate is 16E.