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If an electron in hydrogen atom jumps fr...

If an electron in hydrogen atom jumps from third orbit to second orbit, the frequency of the emitted radiation is given by (c is speed of light )

A

`"3Rc"/29`

B

`"5Rc"/36`

C

`"7Rc"/36`

D

`"8Rc"/31`

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-ATOMS-ASSIGNMENT SECTION A Objective (One option is correct )
  1. What should be the ratio of minimum to maximum wavelength of radiation...

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  2. The ratio of energies of hydrogen atom in its first excited state to t...

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  3. How many spectral lines are emitted by atomic hydrogen excited to the ...

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  4. The energy of hydrogen atom in its ground state is -13.6 eV , the ener...

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  5. In which transition of a hydrogen atom, photons of lowest frequency ar...

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  6. Total energy of an electron in the hydrogen atom in the ground state i...

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  7. Using Bohr's formula for energy quantization, the ionisation potenti...

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  8. Which of the following cannot be the value of ionisation energy for a ...

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  9. Name the spectral series of hydrogen atom, which be in infrared region...

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  10. The energies of three conservative energy levels L3,L2 and L1 of hydro...

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  11. if the wavelength of first member of Lyman series is lambda then calcu...

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  12. In Bohr's model of the hydrogen atom, the ratio between the period of ...

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  13. How many time does the electron go round the first bohr orbit of hydro...

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  14. If an electron in hydrogen atom jumps from third orbit to second orbit...

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  15. If radius of first orbit of hydrogen atom is 5.29 ** 10^(-11) m, the r...

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  16. Bohr's atomic model is applicable for

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  17. Let F(1) be the frequency of second line of Lyman series and F(2) be t...

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  18. The differnce between nth and (n+1) the Bohr radius of B atom is equa...

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  19. The lines in Balmer series have their wavelengths lying between

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  20. Identify the incorrect relationship

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