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The convex side of a thin plano-convex lens with radius of curvature 60 cm is silvered to obtain a concave mirror. An object is located at a distance of 30 cm in front of this mirror. The distance of the image from the mirror is ( $μ$ = 1.5)
$12 c m$
$- 60 c m$
$60 c m$
$20 c m$

A

20 c m

B

12 c m

C

- 60 c m

D

60 c m

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