Home Physics Transmission of Heat Radiation (General, Kirchoff's Law, Black Body) A hot and a cold body are kept in vacuum sep…
Physics Transmission of Heat Radiation (General, Kirchoff's Law, Black Body) MCQ (Single Correct)

A hot and a cold body are kept in vacuum separated from each other. Which of the following cause decrease in temperature of the hot body

A
Radiation
B
Convection
C
Conduction
D
Temperature remains unchanged

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Text Solution

Verified by Experts
The correct answer is:
A

In vacuum heat flows by the radiation mode only.

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