Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Physics in Everyday LifeLight & Optics (incl. Lenses)
The speed of light is ?
- A.500,000 km/s
- B.150,000 km/s
- C.300,000 km/sCorrect answer
- D.3,000 km/s
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Practice these MCQs in the appQuick fact: The speed of light in a vacuum is approximately 300,000 km/s (or 3 × 10⁸ m/s).