A) Infrared radiations arise due to minor electron transitions in atoms.
B) Infrared radiations are used for long distance photography.
C) Sun is the natural source of infrared radiation.
D) Infrared radiations are detected by using a bolometer.
Correct Answer: A
Solution :
Infrared radiation arises due to major electron transitions in atoms eg. \[4\to 5,5\to 6,6\to 7\] etc.You need to login to perform this action.
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