Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Physics in Everyday LifeSound & Acoustics
Standard unit of sound intensity:
- A.W/m²Correct answer
- B.J/s
- C.N/m²
- D.dB
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Practice these MCQs in the appQuick fact: The standard unit of sound intensity is W/m² (watt per square metre).