Geometrical OpticsHard
Question
A transparent solid cylindrical rod has a refractive index of 
. It is surrounded by air. A light rayis incident at the mid-point of one end of the rod as shown in the figure
The incident angle θ for which the light ray grazes along the wall of the rod is :-
. It is surrounded by air. A light rayis incident at the mid-point of one end of the rod as shown in the figureThe incident angle θ for which the light ray grazes along the wall of the rod is :-
Options
A.sin-1(1/2)
B.sin-1(√3/2)
C.sin-1(2/√3)
D.sin-1(1/√3)
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