A blackbody emits radiant energy at rate E at temperature T. If its temperature is reduced to T/4, the new radiant energy rate will be

Options

  • A. E/4
  • B. E/16
  • C. E/64
  • D. E/256
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

D. E/256

Detailed Explanation

Using E proportional to T⁴, the new rate is E(1/4)⁴ = E/256.