Pradeep Jogsan posted an Question
November 10, 2020 • 17:14 pm 30 points
  • IIT JAM
  • Physics (PH)

When a lens of focal length f is cut into two equal halves perpendicular to principle axis then each part of the lens has a focal length 2f??how???

when a lens of focal length f is cut into two equal halves perpendicular to principle axis then each part of the lens has a focal length 2f??how???

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  • Pradeep jogsan 1

    parallel to axis then focal length remains unchange

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