Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Physics in Everyday LifeLight & Optics (incl. Lenses)
Which of the following statement is true?
- A.Sound travels faster in air than in steel
- B.Water boils at 100°C at any atmospheric pressure
- C.The speed of light in vacuum is approximately 3 × 10⁸ m/sCorrect answer
- D.All of these
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Practice these MCQs in the appQuick fact: The speed of light in vacuum is approximately 3 × 10⁸ m/s, which is a true statement.