When we enter an air-conditioned room,we feel cold. This can be explained by:

Heat radiations propagate with the speed of

There is a black spot on a body. If the body is heated and carried into a dark room,then it glows more than the rest of the body. This can be explained on the basis of:

When red glass is heated in a dark room,it will appear:

In the rainy season,on a clear night,the black seat of a bicycle becomes wet because:

Two identical objects $A$ and $B$ are at temperatures $T_A$ and $T_B$ respectively. Both objects are placed in a room with perfectly absorbing walls maintained at temperature $T$ $(T_A > T > T_B)$. The objects $A$ and $B$ attain temperature $T$ eventually. Which one of the following is the correct statement?