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Geometrical Optics · 2025 · 24 Jan · Shift 1

3 Physics questions from this JEE Main paper
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Geometrical Optics · 2025 · 24 Jan · Shift 1

3 Physics questions from this JEE Main paper

  1. Q53.What is the relative decrease in focal length of a lens for an increase in optical power by 0.1 D from 2.5D ? ['D' stands for dioptre]
    Physics · Geometrical Optics · MCQ
  2. Q64.A thin plano convex lens made of glass of refractive index 1.5 is immersed in a liquid of refractive index 1.2. When the plane side of the lens is silver coated for complete reflection, the lens immersed in the liquid behaves like a…
    Physics · Geometrical Optics · MCQ
  3. Q65.A plano-convex lens having radius of curvature of first surface 2 cm exhibits focal length of f1​ in air. Another plano-convex lens with first surface radius of curvature 3 cm has focal length of f2​ when it is immersed in a liquid of…
    Physics · Geometrical Optics · MCQ