The mirror formula is – McqOptions

MCQOPTIONS

1.	The mirror formula is
A.	1 ⁄ f + 1 ⁄ p + 1 ⁄ q<
B.	1 ⁄ f = 1 ⁄ p + 1 ⁄ q<
C.	1 ⁄ p + 1 ⁄ q
D.	1 ⁄ p = 1 ⁄ f x 1 ⁄ q<
Answer» C. 1 ⁄ p + 1 ⁄ q

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