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The wavelength of the first line of Lyma...

The wavelength of the first line of Lyman series for hydrogen atom is equal to that of the second line of Balmer series for a hydrogen-like ion. The atomic number `Z` of hydrogen-like ion is

A

3

B

4

C

1

D

2

Text Solution

Verified by Experts

The correct Answer is:
D
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MOTION-ATOMIC STRUCTURE & X-RAY -Exercise - 1
  1. What is the ratio of shortest wavelength of the Balmer series ot the ...

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  2. Which of the following statements is correct ?

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  3. The wavelength of the first line of Lyman series for hydrogen atom is ...

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  4. The series corresponding to minimum wavelength transition in H-atom :-

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  5. Hydrogen atom in ground state is excited by a monochromatic radiation ...

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  6. Which series of H(2) atom lie in infrared region?

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  7. The Wavelength of first member of Balmer series in hydrogen spectrum i...

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  8. Let F1 be the frequency of second line of Lyman series and F2 be the ...

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  9. Which of the following may be representing graph between number of sca...

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  10. The total energy of eletcron in the ground state of hydrogen atom is -...

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  11. In a discharge tube ionization of enclosed gas is produced due to coll...

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  12. The energy of K-electron in tungsten is -20.0 keV and of an L-electron...

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  13. If the radiation of Mo (Z = 42) has a wevelength of 0.71Å, calculate w...

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  14. In coolidge tube the potential difference between cathode and anticath...

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  15. An X-ray tube when operated at 60 kV, then reading of tube current is ...

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  16. If the X–ray tube is working at 25 kV then the minimum wavelength of X...

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  17. The distance between interatomic lattice planes is 10Å. The maximum wa...

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  18. The wavelength of K(alpha) –line characteristic X–rays emitted by an e...

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  19. The structure of solids is invested by using

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  20. 50% of X–rays obtained from a Coolidge tube pass through 0.3 mm. thick...

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