Showing posts with label class12. Show all posts
Showing posts with label class12. Show all posts
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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