The refractive index of the core is uniform throughout and undergoes a – McqOptions

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1.	The refractive index of the core is uniform throughout and undergoes an abrupt change at the cladding boundary which is known as ______.
A.	uniform-index fibre
B.	scale-index fibre
C.	graded-index fibre
D.	step-index fibre
Answer» E.

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