The unit of measurement of noise is
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Instrument used for measuring specific gravity is called _____.
Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s
Electrons move around the nucleus in _______ motion.
If a ball is thrown up, which of the following does not change?
What is the unit of resistance?
If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects?
The material used in electric heater is