For which of the following reasons, losses in optical fibers can be ca – McqOptions

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1.	For which of the following reasons, losses in optical fibers can be caused?1. Impurities2. Attenuation in glass3. Micro bending4. Stepped index operation
A.	1, 2 and 3 only
B.	1, 3 and 4 only
C.	1, 2 and 4 only
D.	2, 3 and 4 only
Answer» B. 1, 3 and 4 only

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