Questions
The refractive indices of the core and cladding are 1.732 and 1.414 respectively. The launching angle for the optical fibre is
detailed solution
Correct option is A
i=sin-1μ2core-μ2cladding=sin-132 -22 =sin-1(1)=90Talk to our academic expert!
Similar Questions
A light ray from air is incident (as shown in figure) at one end of a glass fiber (refractive index = 1.5) making an incidence angle of 60° on the lateral surface, so that it undergoes a total internal reflection. How much time would it take to traverse the straight fiber of length 1 km
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