If the absolute temperature of a blackbody is doubled, its radiant energy emitted per unit area becomes

Options

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

Correct Answer (Detailed Explanation is Below)

D. 16 times

Detailed Explanation

Since radiation is proportional to T⁴, doubling temperature gives 2⁴ = 16 times the radiation.