If the temperature of a blackbody is reduced to half its original absolute temperature, its radiant energy becomes

Options

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

Correct Answer (Detailed Explanation is Below)

D. E/16

Detailed Explanation

Radiation varies as T⁴, so at T/2 it becomes E/2⁴ = E/16.