In a dark room of photography, generally red light is used. The reason – McqOptions

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1.	In a dark room of photography, generally red light is used. The reason is
A.	Most of the photographic films are not sensitive to red light
B.	The frequency for red light is low and hence the energy \[hv\]of photons is less
C.	(a) and (b) both
D.	None of the above
Answer» D. None of the above

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