A) UV rays
B) heat rays
C) X rays
D) gamma rays
Correct Answer: B
Solution :
The gases responsible for green-house effect are \[C{{O}_{2}},C{{H}_{2}},{{N}_{2}}O,\text{ }CFCs,\] etc. The earths atmosphere with high concentration of green house gases is transparent to incoming short wave solar radiations but absorbs outgoing long wave infra red radiations, particularly earths thermal radiations (heat rays), trapping heat near the earths surface. In this way, the earths atmosphere works very much like a green house by warming the interior.
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