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Davisson-Germer experiment (C.J. Davisson, L.H. Germer; 1927)
An experiment which conclusively confirmed the wave nature of electrons; diffraction patterns were observed through an electron beam penetrating in a nickel target.
A proton (mass = 1.67 x 10 -26 kg charge = 1.60 x 10 -19 C) is running at a speed of 8.50 x 10 4 m/s at a point in an evacuated region of space where the electric potential is 3
Digital multimeters: Digital multimeters offer a number of significant advantages when compared with their more humble analogue counterparts. The display fitted to a digital m
Q. Illustrate what is a thermal transformation? Answer:- Chemical or else physical changes are not requiring a change in the temperature of the substance as in the formati
electric field
(i)Cathode waves always travel in straight path. (ii) Cathode rays exert mechanical force on the objects they strike. (iii) Cathode rays make fluorescence. (iv)
application of direct and indirect trasition
The Diamond Structure The diamond cubic structure is a distinctive of materials that have its constituent materials bound in tetrahedral bonds. Insulators like carbon, semicon
ROCKET PROPULSION: The motion of a rocket is an application of the law of conservation of momentum and Newton's 3rd law of motion. The gases ejected out from the combustion cha
There is more number of substances in the universe than 109 elements. Most matter we run into on a day-to-day basis is composed of compounds-substances in which two or more element
It is the phenomenon of emission of electrons from the surface of metals, when light radiations (Electromagnetic radiations) of suitable frequency drop on them. The emitted electro
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