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What is the lowest energy of the spectra...

What is the lowest energy of the spectral line emitted by the hydrogen atom in the Lyman series ? (h = Planck constant, c = Velocity of light, R = Rydberg constant)

A

`(5hcR)/(36)`

B

`(4hcR)/(3)`

C

`(3hcR)/(4)`

D

`(7hcR)/(144)`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-ATOMIC STRUCTURE-Objective exercise - 2B
  1. The longest wave length in Balmer series is

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  2. If the wave length of the first member of Balmer series of a hydrogen ...

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  3. What is the lowest energy of the spectral line emitted by the hydrogen...

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  4. (A) : Limiting line in Balmer series has a wavelength of 364.4 nm (R...

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  5. The wave number of the first line is Balmer series of hydrogen in 1520...

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  6. The electron in a hydrogen atom makes a transition from an excited sta...

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  7. In a hydrogen atom, if energy of an electron in ground state is 13.6 e...

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  8. The velocity of an electron in the fourth Bohr's orbit of hydrogen is ...

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  9. As the quantum number increases, the difference of energy between cons...

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  10. The ionization potential of H atoms is 13.6 V. The energy difference b...

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  11. If the electron falls from n = 3 to n = 2, in hydrogen atom then emitt...

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

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  13. The value of first Bohr's radius of hydrogen atom is

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  14. The radius of the first orbit of Hydrogen is 0.53 Å. The radius of sec...

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  15. The radius of the second Bohr orbit is

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  16. The energy of an electron present in Bohr's second orbit of hydrogen a...

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  17. in the Bohr hydrogen atom, the electronic transition emmiting light of...

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  18. Radius of first orbit of hydrogen is 0.53 Å. The radius in fourth orbi...

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  19. If the radius of first Bohr' orbit be alpha(0), then the radius of the...

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  20. An electron is moving in Bohr's fourth orbit. Its de Broglie wavelengt...

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