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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.
The greatest and least magnitude of the resultant of two forces of constant magnitude are P & Q. Proof that when the forces act at an angle of 2 alpha, their resultant is of magnit
In a Newton's rings experiment in laboratory source of light having two wavelengths 6000Å and 4500Å is used. It is found that n th dark ring due to 6000Å coincides with
the energy stored in the capacitor decreases with time as the capacitor discharges. After how many time constant is this stored energy one forth its initial value
Proton-neutron hypothesis
Q. How does the laser printer works? Answer:- When a text or else image is entered into the CPU it produces a series of varying voltages. This manages a LED (light emittin
In the experiment, under which of the following circumstances is the angular momentum L of the movable puck NOT conserved? a) The net torque = 0. b) The radius r is always perpen
What are the basic components of Lead Acid cell? Ans. Basic components of Lead Acid cells are: a) Positive Plates, which are tubular n shape, prepared by PBO 2 b) Negativ
what is electrostatic shielding
composition of two simple harmonic vibrations acting at right angles
Q. What is Maser? Give the principle of it. 1) The term MASER for Microwave Amplification through Stimulated Emission of Radiation. 2) The working of maser is similar to th
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