A spherical mirror and a thin spherical lens both have a focal length – McqOptions

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1.	A spherical mirror and a thin spherical lens both have a focal length of -10 cm. The mirror and the lens are likely to be-
A.	The mirror is convex and the lens is concave
B.	Both convex
C.	Both concave
D.	the mirror is concave and the lens is convex
Answer» D. the mirror is concave and the lens is convex

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