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JEE Main20252 Apr 2025Morning ShiftPhysicsRay OpticsActual

A spherical surface separates two media of refractive indices 1 and 1.5 as shown in figure. Distance of the image of an object ' O ', is : ( C is the center of curvature of the spherical surface and R is the radius of curvature)

Options

  1. A0.24 m right to the spherical surface
  2. B0.4 m left to the spherical surface
  3. C0.24 m left to the spherical surface
  4. D0.4 m right to the spherical surface

Correct answer

B. 0.4 m left to the spherical surface

Step-by-step solution

aligned & ₂ v - ₁ u = ₂- ₁ R & 1.5 v - 1 (-0.2) = 1.5-1 0.4 & 1.5 v = 0.5 0.4 - 1 0.2 & 1.5 v =- 1.5 0.4 & v =-0.4 ~m aligned

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