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If R is the Rydberg constant for hydroge...

If `R` is the Rydberg constant for hydrogen, then the wave number of the first line in the Lyman series is

A

R/2

B

2R

C

R/4

D

3R/4

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The correct Answer is:
D
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AAKASH SERIES-ATOMS-EXERCISE -III
  1. As the electron in the Bohr orbit is hydrogen atom passes from state n...

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  2. The energy of an electron in excited hydrogen atom is -3.4 eV . Then, ...

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  3. The wavelength of first line of lyman series for hydrogen is 1216 A ...

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  4. The ionisation potential of hydrogen atom is 13.6 eV. The energy requi...

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  5. The radius of the Bohr orbit in the ground state of hydrogen atom is 0...

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  6. The potential energy of an electron in the fifth orbit of hydrogen ato...

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  7. If R is the Rydberg constant for hydrogen, then the wave number of the...

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  8. If lamda1 and lamda2 are the wavelengths of the first members of the L...

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  9. The ratio of maximum to minimum possible radiation energy Bohr's hyp...

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  10. The shortest wavelength of Balmer series of H-atom is

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  11. Given mass number of gold = 197, Density of gold = 19.7 g cm^(-3). The...

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  12. Transition between three energy energy levels in a particular atom gi...

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  13. An electron in a hydrogen atom makes a transition from n(1) to n(2). I...

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  14. An electron revolving in an orbit of radius 0.5 Å in a hydrogen atom e...

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  15. The radius of second Bohr’s orbit of Hydrogen atom is:

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  16. If one were to apply Bohr model to a particle of mass 'm' and charge '...

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

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  18. If a charged particle is moving in a plane perpendicular to a uniform ...

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  19. Condiser 3rd orbit of He^(+) (Helium), using non-relativistic approa...

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  20. Identify A and B:

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