If ‘p’ is object distance ‘q’ is image distance from the mirr – McqOptions

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1.	If ‘p’ is object distance ‘q’ is image distance from the mirror and ‘f’ is the focal length of the mirror then 1/f is equal to
A.	1/p - 1/q
B.	1/q - 1/p
C.	1/p + 1/q
D.	1/p × 1/q
Answer» D. 1/p × 1/q

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