Which of the following physical quantities have the same dimensions
According to _____, pressure is equal to the force divided by the area on which it acts.
Which instrument is used to measure the intensity of light produced by an unknown source in terms of a standard source?
Identify the unit of measuring intensity of sound.
Which instrument is used to measure blood pressure?
The term ______ is prefixed to scientific terms to describe something that is constant.
1 horsepower = approximately _____ watts.
Which law of physics states that the force between the two electric charges reduces to a quarter of its former value when the distance between them is doubled?
What is the unit of measure of a magnetic field?
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