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A 12.5 eV electron beam is used to bomba...

A 12.5 eV electron beam is used to bombard gaseous hydrogen at room temperature. Upto which energy. Level the hydrogen atoms would be excited ? Calculate the wavelengths of the first memeber of Lyman and first member of Balmer series.

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The correct Answer is:
1,215 Å, 6,563 Å
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MODERN PUBLICATION-ATOMS -Practice Problems
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  5. In Rutherford's nuclear model of the atom, the nucleus (radius about 1...

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  6. Energy of an electron in a hydrogen atom is calculated as En=(-13.6)/n...

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  7. The hydrogen is excited and its Bohr radius changes from 5.3 xx 10^(-1...

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  8. Evaluate Rydberg's constant.

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  9. It is found experimentally that 13.6 eV energy is required to separate...

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  10. According to classical electromagnetic theory, calculate the initial f...

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

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  12. Determine the smallest wavelength in Lyman series among first four spe...

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  13. Use Bohr's formula to calculate the energy required to excite the elec...

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  14. Li has 3 electrons with electronic configuration 2, 1. Calculate the e...

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

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  16. The electron in hydrogen atom is initially in the third excited state...

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  17. Calculate the ratio of shortest wavelength possible in Lyman and Balme...

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