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A spherical mirror and a spherical lens each have a focal length of -10 cm. The mirror and the lens are likely to be

May 2, 2022
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A spherical mirror and a spherical lens each have a focal length of -10 cm. The mirror and the lens are likely to be

Q. A spherical mirror and a spherical lens each have a focal length of -10 cm. The mirror and the lens are likely to be

A.            both concave

B.            both convex

C.            the mirror is concave and the lens is convex

D.            the mirror is convex and the lens is concave

Answer: both concave

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