Pick out the statement which is not true - Vidyadip

MCQ

Pick out the statement which is not true

A
IR radiations are used for long distance photography
✓
IR radiations arise due to inner electron transitions in atoms
C
IR radiations are detected by using a bolometer
D
Sun is the natural source of $I R$ radiation

✓

Answer

Correct option: B.

IR radiations arise due to inner electron transitions in atoms

(b)

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