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The angular momentum of the alpha- parti...

The angular momentum of the `alpha`- particles which are scattered through large angle by the heavier nuclei, is conserved because of the

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The large angle of scattering of the `alpha`-particles is possible when they collide against a heavy charged nucleus.
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MODERN PUBLICATION-ATOMS -Revision Exercise (Very Short )
  1. Write the expression for distance of closest approach for a alpha-part...

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  2. In Rutherford scattering experiment, if a proton is taken instead of a...

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  3. The angular momentum of the alpha- particles which are scattered throu...

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  4. Why is electron supposed to be revolving around the nucleus?

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  5. The total energy of eletcron in the ground state of hydrogen atom is -...

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  6. In which region of electromagnetic spectrum, Lyman and Balmer series o...

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  7. What is the maximum number of spectral lines emitted by a hydrogen ato...

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  8. When is H(alpha) line of the emission spectrum of hydgrogen atom obtai...

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  9. What are stationary waves?

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  10. State Bohr's quantisation condition?

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  11. With increasing member, the energy difference between adjacent levels ...

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  12. The energy of an electron in the nth Bohr orbit of hydrogen atom is

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  13. The short wavelength limits of Lyman, Paschen and Balmer series in the...

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  14. The velocity of electron in first orbit of H-atom as compared to the v...

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  15. What is the value of Rydberg constant?

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  16. Write an expression for Bohr's radius in hydrogen atom.

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  17. Write an empirical relation for the Balmer series of hydrogen atom.

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  18. What are the values of first and second excitation potential of hydrog...

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  19. Name the spectral series of hydrogen atom, which be in infrared region...

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  20. The radius of innermost electron orbit of a hydrogen atom is 5.3xx10^(...

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