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Question

A simple microscope consists of a concave lens of power 10D and a convex lens of power 15 D. Its magnification at near point is
(least distance of distinct vision, D = 25 cm)

  1. 2.25
  2. 10
  3. 5
  4. 20

A
20
B
2.25
C
5
D
10
Solution
Verified by Toppr

Focal length of concave lens :
f=10010=10cm

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