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What is the unit for measuring the pitch or frequency of sound?
(a)Coulomb
(b)Hum
(c)Decibel
(d)Hertz

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Important Questions on Physics


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What is the unit used to measure distances between celestial objects?

EASY
Pressure is measured terms of:
1. Mass and Density
2. Work Done
3. Force and Area
4. Force and Distance

