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Q: A real image of equal size is obtained at a distance of 48 cm from the lens. The type of the lens and its focal length is :
  • A. convex lens of focal length 24 cm
  • B. convex lens of focal length 48 cm
  • C. concave lens of focal length of 48 cm
  • D. concave lens of focal length 24 cm
Correct Answer: Option A -
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Explanations:

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