Showing posts with label physics. Show all posts
Showing posts with label physics. Show all posts
ELECTRICAL POWER AND ELECTRICAL ENERGY
Expand EDUCATION The rate of doing work is called power. The rate of doing work by the electrical device is known as the electrical power of that device. P=W/T…
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Nature of Physical law
Expand EDUCATION Law of physics is same everywhere in the universe. for example law of gravitation is same everywhere in the universe. at moon surface the acc…
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Fundamental forces in nature
Expand EDUCATION There are 4 fundamental forces in nature:- Gravitational Force Electromagnetic force Strong nuclear force Weak nuclear force Gravitational for…
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Physics and Technology
Expand EDUCATION After we studying physics we convert the laws of nature into technology. We have made fan with law of electrodynamics. We have heat engines an…
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Chapter 1 Physical World
Expand EDUCATION What is physics? Physics is the study of nature and its laws. In nature every things happens have a unique law or unique pattern or system we…
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SIZE OF THE NUCLEUS
It is experimentally found that the size(volume) of nucleus is directly proportional to the mass number. V ∝A V =R'A 4/3 Ï€ R…
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DISCOVERY OF NEUTRON
The neutron is discovered by James Chadwick in 1932. There are 3 isotopes of hydrogen:- Hydrogen Deuterium Tritium After the alpha particle scattering experime…
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NUCLEI
Rutherford alfa particle scattering gives ideas that the positive charge and all the mass of an atom is densely concentrated at central of the atom in very sma…
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