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- Subject
- PAST PAPERSpast-papers
- Published
- 16 Feb 2025
- Last updated
- 28 May 2026
What optical phenomenon allows light to be confined within the core of an optical fiber?
Multiple choice question for PAST PAPERS. Select an option, then review the explanation below.
Explanation
Light remains within the core of an optical fiber because of total internal reflection, which prevents it from escaping into the cladding.
More PAST PAPERS MCQs
Practice related questions from the same subject.
- 1.Which of the following names is used to refer to the New Testament?
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- 4.For whose funeral did the Prophet Muhammad ﷺ rise to show respect?
- 5.Who was the earliest figure to recognize Hindus as 'People of the Book' during his era?