The inner core of an optical fiber is __________ in composition...? Mcqs

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The inner core of an optical fiber is __________ in composition...?

(A) Glass or plastic

(B) Copper

(C) Bimetallic

(D) Liquid

✅ Correct Answer: Glass or plastic

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Source: This question is taken from the Assistant Sub Inspector (ASI) Anti-Corruption Punjab Police

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