A hot and a cold body are kept in vacuum separated from each other. Wh – McqOptions

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1.	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 [AFMC 2005]
A.	Radiation
B.	Convection
C.	Conduction
D.	Temperature remains unchanged
Answer» B. Convection

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