Computer Networks

1:

How much bandwith is there in 0.1 micron of spectrum at a wavelength of 1 micron ?

A.

20,000 GHz

B.

25,000 GHz

C.

30,000 GHz

D.

None of these

 

Answer : C

Explanation :

Given : ∆ λ= 10-6, and   λ= 10-6

∆f = (c∆λ)/λ2=30,000 GHz

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Option: A

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