Q. The thermal radiation from a hot body travels with a velocity of
A) $330\ ms^{- 1}$
B) $2 \times 10^{8}\ ms^{- 1}$
C) $1200\ ms^{- 1}$
D) $3 \times 10^{8}\ ms^{- 1}$
Explanation
(d) The thermal radiation from a hot body travels with a velocity of light in vacuum $i.e.\ 3 \times 10^{8}m\ s^{- 1}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.