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Geometrical Optics question

2024 · 6 Apr · Shift 2 · Q71
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  5. /2024 · 6 Apr · Shift 2 · Q71

Geometrical Optics question

2024 · 6 Apr · Shift 2 · Q71

JEE MainPhysicsGeometrical OpticsMCQ+4 / −1
For the thin convex lens, the radii of curvature are at 15 cm15 \mathrm{~cm}15 cm and 30 cm30 \mathrm{~cm}30 cm respectively. The focal length the lens is 20 cm20 \mathrm{~cm}20 cm. The refractive index of the material is :
  1. A
    1.2
  2. B
    1.5
  3. C
    1.4
  4. D
    1.8
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