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The radiation , emitted due to transitio...

The radiation , emitted due to transition of hydrogen atom from the second excited state to ground state, is incident of the surface of sodium metal. The maximum kinetic energy of the emitted photoelectrons is 10.27 eV. What is the work function of sodium? Given, ionisation energy of hydrogen =13.59 eV.

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The correct Answer is:
1.81 eV
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CHHAYA PUBLICATION-ATOM-PROBLEM SET-I
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  2. If the electron in a hydrogen atom jumps from the second excited state...

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  4. The difference of energy between the third quantum state and the groun...

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  6. If the longest wavelength of Balmer series in the atomic spectrum of h...

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  7. If radius of the 1 st Bohr orbit of hydrogen atom be 0.53 Å , determ...

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  8. In an excited state, the energy of the electron of a hydrogen atom ...

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  9. Calculate the maximum and minimum wavelengths of Lyman series of hydro...

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  10. If the binding energy of the electron in a hydrogen atom is 13.6 e...

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  11. The radiation , emitted due to transition of hydrogen atom from the se...

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  12. When ultraviolet rays of wavelength 620 Å is incident on a hydrogen at...

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  13. The ground state energy of a hydrogen atom is -13.6 eV . The charge of...

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  14. The Rydberg constant for hydrogen is 109737 cm^(-1) . Find out the lo...

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  15. The wavelength of the first member of Balmer series is 6560 Å . Calcu...

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  16. If a stream of electrons having kinetic energy 36 keV be incident on ...

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  17. If 50 kV potential difference is applied across a Coolidge tube, what...

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  18. What should be the minimum value of potential difference to be applie...

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  19. Estimate the kinetic energy of electron that hit the target in a Cool...

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  20. In case of hydrogen atom, calculate the wavelength of K(alpha) line....

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