

MCQOPTIONS
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1. |
The index profile of a core of multimode graded index fiber is given by?a) N (r) = n1 [1 – 2Δ(r2/a)2]1/2; r
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A. | N (r) = n1 [1 – 2Δ(r2/a)2]1/2; r<a |
B. | N (r) = n1 [3 – 2Δ(r2/a)2]1/2; r<a |
C. | N (r) = n1 [5 – 2Δ(r2/a)2]1/2; r>a |
D. | N (r) = n1 [1 – 2Δ(r2/a)2]1/2; r<a |
Answer» E. | |