If a concave lens has a focal of 10 cm. At what distance should the o – McqOptions

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1.	If a concave lens has a focal of 10 cm. At what distance should the object from the lens be placed so that it forms an image at 5 cm from the lens?
A.	5 cm
B.	15 cm
C.	20 cm
D.	10 cm
Answer» E.

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