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Q: When an object placed at a point 21 cm in front of a convex mirror, the image is formed at 7 cm behind the mirror. Now, someone moves the object to a distance of 14 cm in front of the mirror. The distance of the image from the mirror (in cm) now is:
  • A. +6
  • B. +3
  • C. –6
  • D. –3
Correct Answer: Option A -
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Explanations:

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