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The energy possessed by a object by virtue of its position or its configuration is called its potential energy.
Concept of potential energy is valid only in conservative field. In conservative force field when a object moves on a round trip then its kinetic energy will not change. But if we assume a point B on the path, then at point B, its kinetic power will not be equivalent as at point A. (Let K.EB < K.EA), we may say that this changes in kinetic energy has stored in configuration of system and this kept energy is known as potential energy of system
Do fibers have losses? Everything in the universe is inefficient. It means that while a measured amount of something enters in a system, less comes out than initially went in.
It is the molecular weight of a substance expressed in grams ; the basic unit of amount of substance adopted under the Systeme International d''Unites.
write principles,construction & working of a moving coil galvanometer
Q. Evaluate Diameters of Bright and Dark Newtons Rings? Let ‘R' is the radius of curvature of a Plano-convex lens resting at a glass plate PQ. If t be the thickness of air film
Defective eyesight due to focusing(refractive)problems- ametropia: It is often possible to correct ametropia completely with glasses There are four general types of ametrop
Which of the following colours of visible light has the longest wavelength? Is it: a) Violet b) Green c) Yellow d) Red Ans: Red colour of visible light h
An experiment with force and motion Tie a spring clothes peg open by placing one winding of thread about the long ends. Place the clothes peg in the centre of a long table and
What is Gas Laws? Kinetic theory states that the speed of motion of the molecules in a substance decreases as the substance's temperature decreases. As well, the speed of motio
Which of the subsequent is a principal ray for the case of an actual physical object and a convex (converging) lens? Indicate all that apply. Ans: In the thin lens approxi
Which of the following isn't true of an electric field? Answer An electric field can as well as does exist in vacuum. Except for the one about vacuum the entire the answe
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