In graded index multimode optical fiber, the refractive index of the c – McqOptions

MCQOPTIONS

1.	In graded index multimode optical fiber, the refractive index of the core is
A.	uniform across its radial distance, except for the cladding
B.	maximum at the fiber axis and decreases stepwise towards the cladding
C.	maximum at the fiber axis and decreases gradually towards the cladding
D.	maximum at the fiber axis and increases stepwise towards the cladding
Answer» D. maximum at the fiber axis and increases stepwise towards the cladding

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