Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Physics in Everyday LifeLight & Optics (incl. Lenses)
What is the speed of light in miles per second?
- A.93,000 miles per second
- B.300,000 miles per second
- C.670,000 miles per second
- D.186,000 miles per secondCorrect answer
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Practice these MCQs in the appQuick fact: The speed of light in a vacuum is approximately 186,000 miles per second (or about 300,000 kilometres per second).