Tag: optical fibre
Questions Related to optical fibre
Light of different colours propagates through air :
Which of the following is used in optical fibres?
Optical fibres transmit light along its axis, by the process of :
In an optical fibre during transmission of light
Which principle is the basis for the transmission of light through fiber optic cables even if the cable is bent?
A cutted diamond sparkles because of its:
The velocity of light in the core of a step index fibre is $2\times { 10 }^{ 8 }m/s$ and the critical angle at the core-cladding interfere is ${ 80 }^{ 0 }$. Find the numerical aperture and the acceptance angle for the fibre in air. The velocity of light in vacuum is $3\times { 10 }^{ 8 }m/s$.
The optical path of a monochromatic light is the same if it goes through $2.00$ cm of glass or x cm of ruby. If the refractive index of glass is $1.510$ and that of ruby is $1.760$ find the value of x is _______ cm?
Consider telecommunication through optical fibres. Which of the following statements is NOT true?
Optical fibre, which is used in communication, works on which principle?