A) \[{{M}_{1}}\]only
B) \[{{M}_{1}}\] and \[{{M}_{2}}\]
C) \[{{M}_{3}}\] only
D) All of these
Correct Answer: B
Solution :
The material are useful in a photocell to detect visible light \[{{M}_{1}}\] and \[{{M}_{2}}\].You need to login to perform this action.
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