Physical quantities, which have _______ only and no _______ are called scalar quantities.
If an object moves in a purely rotatory motion, then each constituent particle of the body moves in a circle, the centre of which is located on a line is called _______.
___________________ is defined as the force acting per unit current per unit length on a wire placed at right angles to the magnetic field.
____________________is a measure of the actual amount of water vapour in a particular sample of air: measured as a partial pressure.
If the vector sum of torques acting on a system is zero, then the object is in _______.
___________________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.
Cryogenics is a branch of Physics that deal with ______.
Instrument used for measuring specific gravity is called _____.
_____ mirror is used in the headlights of cars.
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