On which bands, do the optical fibers operate? Ultra violet bandUltra – McqOptions

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1.	On which bands, do the optical fibers operate? Ultra violet bandUltra high frequency bandVisible light bandInfrared band Select the correct answer from the codes given below:
A.	1 only
B.	1 and 2 only
C.	1, 2 and only
D.	1, 3 and 4
Answer» E.

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