Atmospheric pressure is measured by __________.
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Which glass is used to make spectacles?
___________________states that the induced e.m.f. is directly proportional to the rate of change of magnetic flux linkage or rate of cutting of magnetic fluxlinkage.
In nuclear reactor, cadmium rods are used as which of the following?
What is the SI unit of Force?
In hydel power station, the motion produced in turbines is due to
The SI unit of G, the universal gravitation constant is ______________.
What does the slope of a velocity time graph represent?