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Rutherford's alpha-scattering experiment recognized that the mass of atom is concentrated with small positively charged region at the centre which is known as 'nucleus'.
Nuclei are made up of neutron and proton. The quantity of protons in a nucleus (known the atomic number or proton number) is shown by the symbol Z. The number of neutrons (neutron number) is represented by N. The total quantity of neutrons and protons in a nucleus is known it's mass number A so A = Z + N.
Neutrons and proton, when explained collectively are known as nucleons.
Nucleus have two types of particles : Protons and neutrons
Eddington limit (Sir A. Eddington) The theoretical limit on which the photon pressure would go above the gravitational attraction of light-emitting body. i.e., a body emitting
what is electromagnetism
The water level in a tank is 20 m above the ground. A hose is connected to the bottom of the tank, and the nozzle at the end of the hose is pointed straight up. The tank is at sea
A sugar solution was formed by adding 80 gm of cane sugar into one liter of water. By observation it is found that it gave an optical rotation of 9.9 0 , when filled
Can you explain in single slit diffraction intensity of 1 st secondary maximum is less than that of principal maximum by how many times?
a. Which materials are conducting to which other materials? Water conducting can Can conduct bubble wrap Can to cotton wrap b. Which layers are insulating?
Some experiments with soap films Make the following forms from wire. Dip the several forms in the thick soap solution and view the films. Dip the wire form with the slider i
Inductors in dc circuits: If it is required to increases the value of inductance in a circuit, then two or more inductors may be connected in series. The total inductance then
ELECTRICAL MACHINES: Efforts are being made at present to develop electrical machines and transformers utilising super conductivity calculators. It shows that if we would use co
Component Addition of vector We learned in which vectors oriented at right angles to one another could be added together by using the Pythagorean Theorem. For example, two disp
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