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JEE PHYSICS MCQ: COMMUNICATION SYSTEMS

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Remembering +4 | -1

The diameter of an optical fibre is

View answer and explanation

Correct option: B

10^{-4} {~cm}

Option B (

10^{-4} {~cm}

) is correct because the diameter of an optical fiber is typically around 125 micrometers, which is equal to

1.25 \times 10^{-2}

mm or

1.25 \times 10^{-4}

cm, approximately

10^{-4}

cm.

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