Question:

At what distance should an object be placed from a convex lens of focal length 15 cm to obtain a real image three times the size of the object?

Updated On: May 18, 2024
  • 10 cm
  • 20 cm
  • 40 cm
  • 50 cm
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The Correct Option is B

Solution and Explanation

The correct option is(B):20 cm
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