HomeGeneral KnowledgeWho invented optical fiber? 7043. Who invented optical fiber?By Admin / September 20, 2025 A. Samuel Cohen B. Narinder Kapany C. Percy L.Spencer D. T.H. MaimahA ✅ The correct answer is option B.
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2. Which of the following awards was conferred on Mrs. Kiran Bedi? Leave a Comment / Awards and Honours MCQs, General Knowledge / By Admin