The cut-off wavelength for an optical fibre with 5 μm core diameter a – McqOptions

MCQOPTIONS

1.	The cut-off wavelength for an optical fibre with 5 μm core diameter and core cladding indices of refraction 1.484 and 1.402 is nearly
A.	0.5 μm
B.	1 μm
C.	3 μm
D.	6 μm
Answer» D. 6 μm

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