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Nuclear Forces | Nuclear Forces Definition Nuclear Forces | Nuclear Forces Definition :- In previous article Binding Energy Per Nucleon we have seen that for average mass nuclei the binding energy per nucleon is approximately 8 MeV, which is very large. Therefore, a question came to the minds of scientists that what force holds…
Binding Energy Per Nucleon | Binding Energy Curve Binding Energy Per Nucleon | Binding Energy Curve :- The stability of a nucleus is not measured by it’s binding energy, but it is measured by “binding energy per nucleon”. If B.E./nucleon of a nucleus is less, the nucleus is less stable whereas the nucleus is…
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Nuclear Binding Energy Nuclear Binding Energy :- We have seen in the article “Composition of nucleus” that the nucleus is made up of neutrons and protons. Therefore it may be expected that the mass of the nucleus is equal to the total mass of its individual protons and neutrons. However, the nuclear mass M…
Cube Resistance Problem | JEE Main | JEE Advanced Cube Resistance Problem | JEE Main | JEE Advanced :- For a cube having equal resistance along its edges, let’s determine the equivalent resistance between :- Two vertices along the body diagonal Two vertices along the face diagonal Two adjacent vertices Equivalent resistance…
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Davisson and Germer Experiment The Davisson and Germer experiment was a 1923-27 experiment performed by Clinton Davisson and Lester Germer to establish the wave nature of slow moving electrons. This confirmed the de-Broglie hypothesis of wave-particle duality. Experimental setup of Davisson and Germer Experiment The Davisson and Germer experiment is contained in a vacuum chamber…
Radiation Pressure Radiation Pressure :- Maxwell predicted that an electromagnetic wave carries momentum() and energy() and when this electromagnetic wave is absorbed/reflected by a surface, it would experience a force in a direction perpendicular to the surface. Maxwell’s prediction was confirmed in 1903 by Nichols and Hull by precisely measuring radiation pressures using…
State Heisenberg Uncertainty Principle State Heisenberg Uncertainty Principle :- According to Heisenberg it is impossible to measure the position and momentum of a particle simultaneously with 100% accuracy. This is called Heisenberg Uncertainty Principle. If Δx and Δp are the uncertainties in determining the position and momentum of the particle simultaneously, then …
de Broglie wavelength associated with an electron de Broglie wavelength associated with an electron :- Let an electron is accelerated from rest through a potential difference of V volt, then Kinetic energy acquired by the electron, Work done on electron, If the de Broglie wavelength of the electron is λ , then… de…
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de Broglie Equation de Broglie Equation :- Because radiation has a dual nature, that is, radiation exhibits both wave and particle properties, and because the universe is made up of radiation and matter, de-Broglie concluded that a moving particle must also have a dual nature because nature seeks symmetry. De Broglie’s hypothesis(de Broglie Equation)…
Commercial Unit of Electrical Energy | (BOTU) Commercial Unit of Electrical Energy :- The cost of electricity consumed in the factories, houses and for many other works is calculated on the basis of a unit called kilowatt hour(kWh). What is Commercial Unit of Electrical Energy | (BOTU) | kWh Commercial Unit of Electrical Energy…