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Which series of H(2) atom lie in infrare...

Which series of `H_(2)` atom lie in infrared region?

A

Lyman

B

Balmer

C

Brackett, Paschen and Pfund

D

All of these

Text Solution

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The correct Answer is:
C
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MOTION-ATOMIC STRUCTURE & X-RAY -Exercise - 1
  1. The series corresponding to minimum wavelength transition in H-atom :-

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  16. The structure of solids is invested by using

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  17. 50% of X–rays obtained from a Coolidge tube pass through 0.3 mm. thick...

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  18. The ionisation energies of K-shell for cobalt, copper, and molebdenum ...

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  19. The intensity of X–rays of wavelength 0.5Å reduces to one fourth on pa...

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  20. When 50 keV electrons are made incident on a target material, the wave...

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