The index profile of a core of multimode graded index fiber is given b – McqOptions

MCQOPTIONS

1.	The index profile of a core of multimode graded index fiber is given by-
A.	N (r) = n1 [1 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 2‚âà√≠‚àö√Ü(r<sup>2</sup>/a)<sup>2</sup>]<sup>1/2</sup>; r<a
B.	N (r) = n1 [3 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 2‚âà√≠‚àö√Ü(r<sup>2</sup>/a)<sup>2</sup>]<sup>1/2</sup>; r<a
C.	N (r) = n1 [5 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 2‚âà√≠‚àö√Ü(r<sup>2</sup>/a)<sup>2</sup>]<sup>1/2</sup>; r>a
D.	N (r) = n1 [1 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 2‚âà√≠‚àö√Ü(r<sup>2</sup>/a)<sup>2</sup>]<sup>1/2</sup>; r<a
Answer» E.

Discussion

No Comment Found

Related MCQs

Digital transmission is more likely to be affected by modal noise.
The modal noise can be reduced by __________
Disturbance along the fiber such as vibrations, discontinuities, connectors, splices, source/detectors coupling result in __________
The modal noise occurs when uncorrected source frequency is?
Practical pulse broadening value for graded index fiber lies in the range of __________
Intermodal dispersion in multimode fibers is minimized with the use of step-index fibers.
The index profile of a core of multimode graded index fiber is given by?a) N (r) = n1 [1 – 2Δ(r2/a)2]1/2; r<ab) N (r) = n1 [3 – 2Δ(r2/a)2]1/2; r<ac) N (r) = n1 [5 – 2Δ(r2/a)2]1/2; r>ad) N (r) = n1 [1 – 2Δ(r2/
The differential attenuation of modes reduces intermodal pulse broadening on a multimode optical link.
Consider a single mode fiber having core refractive index n1= 1.5. The fiber length is 12m. Find the time taken by the axial ray to travel along the fiber.
After Total Internal Reflection the Meridional ray __________