A) ?A? only emits radiations while B only absorbs them until both attain temperature
B) A loses more radiations than it absorbs while B absorbs more radiations that it emits until temperature T is attained
C) Both A and B only absorb radiations until they attain temperature T
D) Both A and B only emit radiations until they attain temperature T
Correct Answer: B
Solution :
According to Prevost theory every body radiate heat at all temperature (except 0K) and also absorbs heat from surroundings. Q \[{{T}_{A}}>T\] Þ Object A emits radiations more than the radiations it absorbs. and \[{{T}_{B}}<T\] Þ Object B absorbs more radiations than it emits. After a certain time all bodies attains a common temperature.You need to login to perform this action.
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