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What is the ratio of the speeds of an el...

What is the ratio of the speeds of an electron in the first and second orbits of a hydrogen atom?

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OP TANDON-ATOMIC STRUCTURE -Practice Problems
  1. What element has a hydrogen-like spectrum whose lines have wavelength ...

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  2. The binding energy of the electron in the ground state of He atom is e...

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  3. What is the ratio of the speeds of an electron in the first and second...

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  4. Find out the number of waves made by a Bohr's electron in one complet...

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  5. The wave number of first line in Balmer series of Hydrogen is 15,200cm...

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  6. An electron in H-atom in its ground state absorbs 1.5 times as much e...

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  7. The radius of the an orbit of hydrogen atom is 0.85nm . Calculate the ...

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  8. An electron jumps from an outer orbit to an inner orbit with the energ...

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  9. The first ionisation energy of a certain atom took plaec with an absor...

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  10. Find the wavelength associated with an electron which has mass 9.1xx10...

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  11. Calculate the momentum of the particle which has de Broglie wavelength...

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  12. The uncertainty of a particle in momentum is 3.3xx10^(-2)" kg "ms^(-1)...

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  13. Calculate the product of the uncertainty of the displacement and velo...

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  14. (a). A transition metal cation x^(3+) has magnetic momen sqrt(35) BM. ...

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  15. A photon of wavelength 4000Ã… A strikes a metal surface, then work fun...

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  16. Calculate the ratio between the wavelength of an electron and a proton...

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  17. A moving electro has 2.8xx10^(-25) J of kinetic energy calculate its w...

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  18. Calculate the mass defect and binding energy per nucleon for an alpha ...

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  19. Calculate the mass defect and binding energy per nucleon of .(8)^(16)O...

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  20. The circumference of the second Bohr orbit of an electron in a hydro...

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