Optical Fibre

The ratio of the refractive index difference of the

core and cladding to the refractive index of core of an optical fiber

• Fractional Index Change

• V-Number

• Numerical Aperture

• Acceptance Angle

Optical fibers are also called

The schematic represents

• Graded index optical fibre

• Step index optical fibre

• Single mode optical fibre

• Dual optical fibre

In an optical fiber, the concept of Numerical aperture is applicable in describing the ability of __________

• Light Collection

• Light Scattering

• Light Dispersion

• Light Polarization

The V number of a fiber is 4. then the fiber is

• Single mode

• Multimode

Optical fibre based on the principle of

• total internal reflection.

• total internal refraction.

• diffraction.

• interference.

Tags

NGSS.HS-PS4-5

The core of the optical fibre is

• opaque and conducting material.

• opaque and dielectric material.

• transparent and conducting material.

• transparent and dielectric material.

A measurement of the ability of an optical fibre to capture light is called

• acceptance angle.

• cladding.

• numerical aperature.

• critical angle.

The unit of Numerical aperature is

• meter

• degree

• Coulomb per meter

• no unit.

Which of the following statement is correct?

• Refractive index of core and cladding are equal.

• Refractive index of core is more then that of cladding.

• Refractive index of core is less then that of cladding.

• Refractive index of core is less or equal to that of cladding.