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NEET 2012
Exam
NEET
Year
2012
Subject
Physics
Chapter
Ray Optics

NEET 2012 · Physics · Ray Optics

When a biconvex lens of glass having refractive index 1.47 is...

When a biconvex lens of glass having refractive index 1.47 is dipped in a liquid, it acts as a plane sheet of glass. This implies that the liquid must have refractive index

Options

  1. Aequal to that of glass
  2. Bless than one
  3. Cgreater than that of glass
  4. Dless than that of glass

Correct answer

A. equal to that of glass

Step-by-step solution

If biconvex lens behave like plane sheet, ray will pass undeviated through it only when medium has same refractive index as that of biconvex lens.
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