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VELOCITY:
The time rate of change of displacement of a body is known as velocity. It is represented by V ?.
Translational : If a body goes such that its orientation does not change with respect to time then body is said to move in translational motion. ROTATION : If an object is rota
Superposition principle The general idea is that, while a number of influences are working on a system, the total influence on that system is just the sum of the individual in
A device which changes light energy into electrical energy is known as photoelectric cell. It is also known as photocell or electric eye.
Extrusion: It is a metal working process that makes long lengths of uniform cross sectional area from a metal billet by causing the latter to flow under hydrostatic pressure by a
A football player kicks a field goal from a distance of 45 m from the goalpost. The football is launched at a 35° angle above the horizontal. What initial velocity is neede
a. A certain radioactive material emits gamma rays with energy 1 MeV. Another sample of radioactive material emits gamma rays with energy 10 keV. If both of these emit the same amo
law of successive diintegration
Which of the subsequent conditions must be met in order for a uniform magnetic field to exert a force on a particle? Ans: A charged particle has to be in a magnetic ground
(1) Holes works as virtual charge, although there is no charge on holes. (2) Effectual volume of hole is more than electron. (3) Mobility of hole is fewer than electron.
1st law -What is the significance of the second foci of the elliptical orbit? 2nd law -if the speed of the planet changes,why donot we feel it?
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