Question:medium

A thin concavo-convex lens with convex face receiving incident rays has radii of curvatures \( 12 \text{ cm} \) and \( 24 \text{ cm} \) respectively. If refractive index of material of lens is \( 1.5 \), then the focal length of the lens is

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- Always apply sign convention carefully - For mixed lenses, curvature difference matters
Updated On: May 4, 2026
  • $16 \text{ cm}$
  • $24 \text{ cm}$
  • $32 \text{ cm}$
  • $48 \text{ cm}$
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The Correct Option is A

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