Wave Optics · JEE Main previous year questions

2004 2 questions

1. Q1312004 · 24 Apr 2004 · Shift 1

   The angle of incidence at which reflected light is totally polarized for reflection from air to glass (refractive index $n$) is :

   1. A.${\tan }^{-1}(1/n)$
   2. B.${\sin }^{-1}(1/n)$
   3. C.${\sin }^{-1}(n)$
   4. D.${\tan }^{-1}(n)$
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   Answer: D

2. Q1322004 · 24 Apr 2004 · Shift 1

   The maximum number of possible interference maxima for slit-separation equal to twice the wavelength in Young's double-slit experiment, is :

   1. A.three
   2. B.five
   3. C.infinite
   4. D.zero
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   Answer: B