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MHT CET202523 Apr 2025Morning ShiftPhysicsWave OpticsActual

Let the speed of light and the polarising angle for a given medium be ' V ' and ' i _p ' respectively. The relation between them is ( C= speed of light in vacuum)

Options

  1. AV = C ( i _ p )
  2. BV (i_p )=C (i_p )
  3. CC=V (i_p )
  4. DV (i_p )=C (i_p )

Correct answer

D. V (i_p )=C (i_p )

Step-by-step solution

Brewster's Law states that the tangent of the polarizing angle i_p equals the refractive index: (i_p) = n . The refractive index is defined as n = C/V , where C is the speed of light in vacuum and V in the medium. Substituting gives (i_p) = C/V . Expressing the tangent as a ratio: (i_p)/ (i_p) = C/V . Rearranging yields V (i_p) = C (i_p) . This matches option D .

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