Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Physics in Everyday LifeLight & Optics (incl. Lenses)
What is the composition of the inner core of an optical fibre?
- A.Silver or Gold
- B.Copper or Aluminium
- C.Steel or Iron
- D.Glass or PlasticCorrect answer
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Practice these MCQs in the appQuick fact: The inner core of an optical fibre is made of Glass or Plastic.