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JIPMER2018PhysicsRay Optics

Calculate the dispersive power for crown glass from the given data array rll & _ V =1.523 and & _ R =1.5145 array

Options

  1. A0.01639
  2. B1.05639
  3. C0.05639
  4. D2.05639

Correct answer

A. 0.01639

Step-by-step solution

Here, _V=1.523 and _R=1.5145 Mean refractive index, = 1.523+1.5145 2 =1.51875 Dispersive power is given by, aligned & = ( _V- _R ) ( -1) & = 1.523-1.5145 (1.51875-1) =0.01639 aligned

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