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Calculate the velocity of electron in Bo...

Calculate the velocity of electron in Bohr's first orbit of hydrogen atom. How many times does the electron go in Bohr's first orbit in one second ?

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SL ARORA-ATOMS, NUCLEI AND MOLECULES-Problems For Self Practice
  1. Calculate the velocity of electron in Bohr's first orbit of hydrogen a...

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  2. In a head-on collision between and alpha-particle and a gold nucleus, ...

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  3. An alpha particle of K.E. 10^(-12)J exhibits back scattering from a go...

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  4. A protom of energy 1 MeV is incident head-on on a gold nucleus (Z = 79...

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  5. In a head-on collision between an alpha-particle and a gold nucleus, t...

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  6. An alpha-particle of kinetic energy 7.68 MeV is projected towards the ...

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  7. An alpha particle of energy 4MeV is scattered through an angle of 180^...

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  8. What is the distance of closest approach to the nucleus for an alpha-p...

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  9. What is the impact parameter at which the scattering angle is 10^(@) f...

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  10. A 10kg satellite circles earth once every 2hr in an orbit having a rad...

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  11. At what speed must an electron revolve around the nucleus of hydrogen ...

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  12. The innermost orbit of the hydrogen atom has a diameter of 1.06Å what ...

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  13. Calculate the energy of the hydrogen atom in the states n = 4 and n = ...

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  14. Calculate (i) the radius of the second orbit of hydrogen atom, and (ii...

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  15. Calculate the frequency of the photon, which can excite the electron ...

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  16. The ground state energy of hydrogen atom is -13.6eV. If an electron ma...

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  17. Show that the ionisation potential of hydrogen atom is 13.6 volt.

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  18. Calculate the ionisation potential of a single ionised He-atom.

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  19. Calculate the minimum energy that must be given to a hydrogen atom so ...

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  20. What energy in eV will be required to excite the ground state electron...

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  21. By giving energy to a hydrogen atom in energy state n=1. If the potent...

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