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JEE Main20249 Apr 2024Evening ShiftPhysicsRay OpticsActual

The following figure represents two biconvex lenses L₁ and L₂ having focal length 10 ~cm and 15 ~cm respectively. The distance between L₁ & L₂ is :

Options

  1. A10 ~cm
  2. B35 ~cm
  3. C25 ~cm
  4. D15 ~cm

Correct answer

C. 25 ~cm

Step-by-step solution

D=f₁+f₂=25 ~cm Paraxial parallel rays pass through focus and ray from focus of convex lens will become parallel

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