A rod of glass (µ = 1.5) and of square cross section is bent into the shape shown in the…
Physics · JEE Advanced · NTA Exams — Optics
A rod of glass (µ = 1.5) and of square cross section is bent into the shape shown in the figure. A parallel beam of light falls on the plane flat surface A as shown in the figure. If d is the width of a side and R is the radius of circular arc then for what maximum value of d/R light entering the glass slab through surface A emerges from the glass through B
- 1.5
- 0.5
- 1.3
- none of these
Answer
(B) 0.5
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