Q. In which mode of transmission, the heat waves travel along straight line with the speed of light?
A) Thermal radiation
B) Forced convection
C) Natural convection
D) Thermal conduction
Explanation
(a) The energy emitted by a body, in the form of radiation on account of its temperature, is called thermal radiation. These radiations are heat radiations and travel along straight lines with the speed of light.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.