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Van der Waals force (J.D. van der Waals):
It is the forces which is responsible for the non-ideal behavior of gases, & lattice energy of molecular crystals. There are three causes: dipole-induced dipole moments; dipole-dipole interaction; and dispersion forces arising due to small instantaneous dipoles in atoms.
FORCE ON THE PARTICLE: For a mass m to have acceleration, a force given by F = ma is always required. In uniform circular motion, acceleration is of value v2/t and is directed tend
Q. Define: binding energy. The energy equal of mass defect is called as binding energy. ∴ Binding energy = [Zm P + Nm n - m] c 2 = Δm c 2 . Here, Δm is the mass defe
Fast neutrons can be changed into slow neutrons by certain materials known as moderator's when last moving neutrons pass by a moderator, they combine with the molecules of the mod
Disadvantages of Low Power factor Greater conductor size : To transfer or distribute a fixed amount of power at constant voltage, the conductor will have to carry more current
A small bulb is placed at the bottom of a tank containing water to a depth of 80 cm. What is the area of the surface of water through which light from the bulb can emerge out? Refr
Write the mathematical expression for the refractive index in terms of A and D for a prism, explain the symbols. Mention any two factors on which lateral shift depends.
what is classification of solid insulator , semiconductor , conductor
This depends on the arrangement of a beam or column. for a simply supported beam with a point load in the centre of the beam Mmax = WL/4 and will occur at centre span W is the lo
how can u call off the potential energy of an object when the world is full of refrences and the world itself is relative? what would be the potential energy for a object lying in
Making a simple reflecting telescope A simple reflecting telescope can be made from a concave mirror obtain from a shaving mirror. The mirror is arranged wooden box of suitable
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