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MHT CET20249 May 2024Morning ShiftPhysicsRay OpticsActual

A point object kept at P in front of a glass sphere of radius ' R ' has its image formed at Q such that PO = QO . The refractive index of material of glass sphere is 1.4. The distance PO is equal to

Options

  1. AR 2
  2. B2R
  3. C5 R
  4. D6 R

Correct answer

D. 6 R

Step-by-step solution

Let PO = QO = x Given: u =- x , v = ⁺+ x We know, aligned & n ₂ v - n ₁ u = n ₂- n ₁ R & 1.4 x + 1 x = 0.4 R & 2.4 x = 0.4 R & x=6 R aligned

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