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NEET Physics QUESTION #1048
Question 1
In a certain camera, four identical thin convex lenses are arranged axially in contact. Power and magnification compared to individual lens (power \(p\), magnification \(m\)):
  • 4p and \(m^4\)✔️
  • p^4 and \(m^4\)
  • 4p and 4m
  • p^4 and 4m
Correct Answer Explanation
Power of lenses in contact adds: \(P_{total}=4p\). For magnification: lenses in contact act as one system, but if we consider each lens magnifying, total magnification \(= m\times m\times m\times m = m^4\). Answer: 4p and \(m^4\).