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A rod of glass ( mu = 1.5) and of squar...

A rod of glass `( mu = 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

A

`1.5`

B

`0.5`

C

`1.3`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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