Pick out the statement which is not true [KC – McqOptions

MCQOPTIONS

1.	Pick out the statement which is not true [KCET 2002]
A.	IR radiations are used for long distance photography
B.	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 IR radiation
Answer» C. IR radiations are detected by using a bolometer

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