Question

In the following, which statement is correct :
a) A hot body emits hot radiations only.
b) A cold body absorbs the radiations only.
c) A cold body emits cold radiations only.
d) All the bodies emit and absorb radiations simultaneously.

• A. a
• B. b
• C. c
• D. d

Answer 1

The correct option is D d

Since, we know that, Above zero kelvin, all the bodies emit and absorb radiations simultaneously.

Therefore, "All the bodies emit and absorb radiations simultaneously" is the correct statement.