Basic Maths and Units and DimensionsHard
Question
What should be the maximum acceptance angle at the air-core interface of an optical fibre if n1 and n2 are the refractive indices of the core and the cladding, respectively
Options
A.sin-1(n2/n1)
B.sin-1 
C.
D.
Topic: Basic Maths and Units and Dimensions·Practice all Basic Maths and Units and Dimensions questions
More Basic Maths and Units and Dimensions Questions
In the given circuit, charge Q2 on the 2μF capacitor changes as C is varied from 1μF to 3μF. Q2 as a func...Young's double slit experment is first performed in air and then in a medium other than air. It is found that 8th br...Which of the following bulbs will have maximum brightness :-...A infinitely long line charge having a uniform charge per unit length λ lies a distance d from point O. Determine t...A planet moves arround the sun. At a given point P, it is closest from the sun at a distance d1 and has a speed u1. At a...