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Q: An object is placed on the principal axis of a convex lens with a focal length of 10 cm. If the distance of the object from the lens is 30 cm, then at what distance will the image be made?
  • A. 20 cm
  • B. 15 cm
  • C. 30 cm
  • D. 10 cm
Correct Answer: Option B -
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Explanations:

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