Question

write two protulate of Bohr theory ​

Answer 1

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Answer 2

The postulates of Bohr’s atomic model are:-

1. According to Bohr's theory, electrons revolve in definite circular orbits around the nucleus and these orbits are designated by the letters K, L, M, N or by the numbers 1, 2, 3, 4 and so on.

2. As long as the electrons revolve in a particular orbit they can neither gain energy nor lose energy. Such orbits are called stationary orbits or stationary states.

3. When an electron jumps from a higher orbit to a lower orbit it releases energy in the form of radiations and when an electron jumps from lower orbit to a higher orbit it absorbs energy in the form of radiations.

4. The angular momentum of an electron is an integral multiple of h/ 2π mvr = nh/ 2π

5. It explains the stability of an atom and also the line spectrum of the hydrogen atom