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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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MODERN PUBLICATION-ATOMS -Chapter Practice Test
  1. An alpha-particle with kinetic energy K is heading towards a stationar...

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

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

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  4. The innermost orbits of a hydrogen atom is 5.3xx10^(-11) m. What is th...

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  5. With increasing quantum numbers, the energy difference between adjacen...

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  6. In hydrogen spectrum, the shortest wavelength in Balmer series is the ...

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  7. Draw the energy level diagram of hydrogen atom. Calculate the energy v...

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  8. The electron in hydrogen atom passes form the n=4 energy level to the...

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  9. for given impact parameter b, does the angle of deflection increase or...

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  10. What is the shortest wavelength present in the Paschen series of spect...

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  11. Using the Rydberg formula, calculate the wavelength of the first four ...

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  12. Using Rutherford model of atom, derive an expression for the total ene...

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  13. Calculate the velocity of electron in Bohr's first orbit of hydrogen a...

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  14. The energy levels of an atom are as shown in figure . Which one of tho...

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  15. The radius of the hydrogen atom in its ground state is 5.3xx10^(-11) m...

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  16. Describe the Rutherford's alpha particle scattering experiment. What a...

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