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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.
concave grating and rowland''s mounting theory
Explain about Atoms Atoms - having of a nucleus (central core) and orbiting electrons. Nucleus have protons (+ particles) and neutrons (neutral particles). Neutral atoms have
pedaling cycle is less friction or more
Q. Why there is no horizontal acceleration during projectile motion? Ans: The gravitational force (F)acting on the particle during its flight has only vertical component i.e. F(co
Energy that is radiated or transmitted in the form of rays or waves or particles.
Capacitor-start-capacitor-run single-phase motor : In this case, two capacitors are used one for preliminary and other for running purpose as shown. The capacitor used for prelimin
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
Precaution to minimize Radiation Danger: 1. One should keep safe distance away from radiation emitting source. 2. The radiation from the reactor are shielded by thick concr
Two faultlessly conducting spheres are in an evacuated region of space. One is at a potential of -1200 volts as well as the other is at a potential of 1500 volts. A free electron i
An electric iron draws a current of 0.5A.The voltage is 200V. Calculate the amount of charge flowing through it in 1 hour.
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