Physics-
General
Easy
Question
Two point sources P and Q are 24 cm apart. Where should a convex lens of focal length 9 cm be placed in between them so that the images of both sources are formed at the same place?
- 3 cm from P
- 15 cm from Q
- 9 cm from Q
- 18 cm from P
The correct answer is: 18 cm from P
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