A plano-convex lens of focal length 10 cm is silvered at its plane fac – McqOptions

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1.	A plano-convex lens of focal length 10 cm is silvered at its plane face. The distance d at which an object must be placed in order to get its image on itself is:
A.	5 cm
B.	20 cm
C.	10 cm
D.	2.5 cm
Answer» D. 2.5 cm

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