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If Bohr nh/2pi) is a basic law of nature...

If Bohr `nh/2pi)` is a basic law of nature, it should be equally valid for the case of planetary motion also. Why then do we never speak of quantisation of orbits of planets around the sun?

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PSEB-ATOMS-EXERCISE
  1. A difference of 2.3 eV separates two energy levels in an atom. What is...

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  2. The ground state energy of hydrogen atom is -13.6eV. what is the poten...

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  3. A hydrogen atom initially in the ground level absorbs a photon, which ...

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  4. (a) Using the Bohr's model calculate speed of electron in hydrogen ato...

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  5. The radius of the innermost electron orbit of a hydrogen atom is 5.3x ...

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  6. A 12.5 eV electron beam is used to bombard gaseous hydrogen at room te...

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  7. In accordance with the Bohr's model, find the quantum number that char...

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  8. Answer the following questions, which help you understand the differen...

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  9. Answer the following questions, which help you understand the differen...

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  10. Answer the following questions, which help you understand the differen...

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  11. Answer the following question, which help you understand the differenc...

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  12. The gravitational attraction between electron and proton in a hydrogen...

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  13. Obtain an expression for the frequency of radiation emitted when a hyd...

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  14. Classically, an electron can be in any orbit around the nucleus of an ...

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  15. classically an electron can be in any orbit around nucleus of an atom....

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  16. The total energy of an electron in the first excited state of the hydr...

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  17. The total energy of an electron in the first excited state of the hydr...

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  18. The total energy of an electron in the first excited state of the hydr...

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  19. If Bohr nh/2pi) is a basic law of nature, it should be equally valid f...

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  20. Obtain the first Bohr radius of muonic hydrogen atom [i.e., an atom in...

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