MCQ
Who gave the Quantum model of hydrogen atom?
- AS.N. Bose
- BNiels Bohr
- CJames clerk Maxwell
- DR. A. Millikan
Explanation:
Niels Bohr introduced the atomic Hydrogen model in 1913.
Neils Bohr developed the Bohr model of the atom, in which he proposed that energy levels of electrons are discrete and that the electrons revolve in stable orbits around the atomic nucleus but can jump from one energy level (or orbit) to another.
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Nuclear fission was discovered by
|
(a) Auto Hahn and F. strassmann |
(b) Fermi |
|
(c) Bethe |
(d) Rutherford |
The ratio of areas within the electron orbits for the first excited state to the ground state for hydrogen atom is
| (a) 16 : 1 | (b) 18 : 1 | (c) 4 : 1 | (d) 2 : 1 |