1.

A car is left in Sunlight on a hot day with all the window closed. After sometime, it is found that she inside of a car is considerably warmer than the air outside. Why?

Answer»

SOLUTION :Glass transmits the part of the HEAT radiation from the sun into the car, because it has the property of selective absorption. The inside of the car is at a low temperature and heat trapped do not pass back through its window. This is bacause glass is SOMEWHAT OPAQUE to heat radiation from BODIES at moderate temperature.


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