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Standard XII
Physics
NCERT
Question

An object is placed at a distance of 20 cm from a convex lens of focal length 10 cm. On the other side of the lens, at what distance from the lens must a convex mirror of radius of curvature 9 cm can be placed in order to have an upright image of the object coincident with it?
  1. 9 cm
  2. 20 cm
  3. 11 cm
  4. 10 cm

A
20 cm
B
11 cm
C
9 cm
D
10 cm
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Solution
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Option C is correct
2009391_1363974_ans_1c36f2b349e640c786c87d93d3e6276d.PNG

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