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Which of the following transitions of an...

Which of the following transitions of an electron in hydrogen atom emits of the lowest wavelength?

A

`n_(2) = oo` to `n_(1) = 2`

B

`n_(2) = 4` to `n_(1) = 3`

C

`n_(2) = 2` to `n_(1) = 1`

D

`n_(2) = 5` to `n_(1) = 3`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-ATOMIC STRUCTURE-Objective Exericse - 2A
  1. The ratio of wavelength values of series limit lines (n(2) = oo) of Ba...

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  2. The minimum and maximum values of wavelength in the Lyman series of a ...

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  3. Which of the following transitions of an electron in hydrogen atom emi...

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  4. In a hydrogen atom the electron and proton are at a distance of 0.5 Å....

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  5. The total energy of electron in an atom is a combination of potential ...

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  6. The radius of which of the following orbit is same as that of the firs...

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  7. An electron in the ground state of hydrogen atom is revolving in anti ...

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  8. The change in velocity when electron jumps from the first orbit to the...

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  9. Which one of the following statements is not correct ?

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  10. As an electron is brought from an infinite distance close to nucleus o...

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  11. In Bohr series of lines of hydrogen spectrum, the third line from the ...

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  12. The radius of the hydrogen atom in the ground state is of the order o...

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  13. The ground state energy of hydrogen atom is - 13.6eV. The kinetic ener...

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  14. Radius of 3rd Bohr orbit is

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  15. The energy of second Bohr'orbit of hydrogen atom is -328 kJ mol^(-1), ...

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  16. Which of the following transistions in hydrogen atom will require the ...

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  17. The energy of an electron in the first Bohr's orbit of a hydrogen atom...

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  18. The de Broglie wavelength associated with a moving particle of fixed m...

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  19. Ratio of the distance travelled in 1 second, 2 seconds, 3 seconds

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  20. The de Broglie wavelength of a particle with mass 1 g and velocity 100...

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