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Interference of waves:
When two waves of similar amplitude and period traveling in the similar medium superpose, they reinforce each other at one point and cancel at others. This phenomenon is called as the interference of waves.
Consider charge of consistent surface density (charge-per-area) everywhere on an infinite horizontal plane. In computing the electric field due to such a charge distribution one ca
Two boxes are in contact on a flat table. A force of 75.8 N is applied horizontally to the first box, which in turn pushes horizontally against the second box. The mass of the firs
Hoop conjecture (K.S. Thorne, 1972): The conjecture (as still unproven, though there is substantial evidence to hold up it) that a nonspherically compressed, nonspherical obje
Archimedes' principle A body which is submerged into a fluid is buoyed up through a force equal in magnitude to the weight of the fluid which is displaced, and directed upward
When two waves of exactly similar frequency (coming from two coherent sources) travels in a medium, in the similar direction simultaneously then because of their superposition, at
Special Theory of Relativity deals with the relativity of motion and of rest is called theory of relativity. In broad sense it divides into two parts (1) GTR (General Theory o
Explain about the term electron microscope. Electron microscope: An electron microscope is a form of microscope which uses electrons to illuminate a specimen and make an enl
Elastic Collision Collisions among objects are governed through laws of momentum and energy. While a collision occurs in an isolated system, the whole momentum of the system of
According to Reynolds, the critical velocity (vc) of a liquid flowing by a long narrow tube is (a) Directly linked to the coefficient of viscosity of the liquid. (b) Inversel
Can a solid and liquid together be possible? Actually, substances can exist in all three states of matter concurrently if the conditions are right. The triple point of a substa
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