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Magnetic Field Intensity | Intensity of Magnetic Field | Magnetic Field due to Bar Magnet Magnetic Field Intensity | Intensity of Magnetic Field | Magnetic Field due to Bar Magnet :- The space around a bar magnet/current carrying conductor/current carrying solenoid in which magnetic effects can be experienced is called magnetic field. We know…
Nuclear Stability Nuclear Stability :- Atomic nucleus is a densely packed collection of protons and neutrons. The very large electrostatic repulsive forces between protons should cause the nucleus to fly apart but nucleons are able to stay together because of strong Nuclear Force. There are 118 different elements. All these elements have isotopes and as…
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 when this electromagnetic wave is absorbed by an object it would experience a force in the direction of propagation of the wave. Maxwell’s prediction was confirmed in 1903 by Nichols and Hull by precisely measuring radiation pressures using a torsion…
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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