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A convex lens of focal length 10cm is pl...

A convex lens of focal length 10cm is placed 30 cm in front of a second convex lens also of th esame focal length. A plane mirror is placed after the two lenses. Where should a point object be placed in front of the first lens so that it imagees on to itself?

A

20 cm

B

15 cm

C

30 cm

D

25 cm

Text Solution

Verified by Experts

The correct Answer is:
A
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