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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.
what are the examples of accurate and precise
The most probable radius (in pm) for finding the electron He + is: (1) 0.0 (2) 52.9 (3) 26.5 (4) 105.8 Ans: (c)26.5
A 240-turn solenoid having a length of 21 cm and a diameter of 8.8 cm carries a current of 0.44A. Calculate the magnitude of the magnetic field inside the solenoid.
What is Friction? When we think about friction, there is one more place for energy to go - heat. When you push a book across a table, does the energy of the book change? Not if
LENARD ATOMIC MODEL : Lenard suggested that the atom must have a lot of empty in it. Lenard's model of an atom could not explain about the stability and mass of an atom .
The wave nature of light is demonstrated by which of the following a) The photoelectric effect b) Colour c) The speed of light d) Diffraction Ans: The w
what happens when a melt caontaining 1%ag with 99%pb
Moment of Disk or Solid Cylinder about Axis We presume the axis of rotation is perpendicular to the disk and through its center and coincident with the axis of the cylinder. Co
What do you mean by pure spectrum? What is an impure spectrum?
how does a magnifying glass work to produce a large or smaller image?
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