Question

Select the incorrect statement

• A. A body radiates at all temperatures except $0K$
• B. A good reflector is a bad radiator
• C. A colder body can radiate heat to the hotter surroundings
• D. A body does not radiate when its temperature is below $0^{\circ }C$

Answer 1

Answer: (D)

$0^{\circ }C$ is $273K$ so a body will radiate.