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In a discharge tube ionization of enclos...

In a discharge tube ionization of enclosed gas is produced due to collisions between

A

Positive ions and neutral atoms/molecules

B

Negative electrons and neutral atoms/molecules

C

Photons and neutral atoms/molecules

D

Neutral gas atoms/molecules

Text Solution

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The correct Answer is:
B
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MOTION-ATOMIC STRUCTURE & X-RAY -Exercise - 1
  1. Which of the following may be representing graph between number of sca...

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

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

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

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

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

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

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

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

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

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  11. The structure of solids is invested by using

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  12. 50% of X–rays obtained from a Coolidge tube pass through 0.3 mm. thick...

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

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

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

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  16. Statement-I : When X-ray incident on metal, the ejection of electron s...

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  17. Statement-I : X-ray can not be obtained from hydrogen atom. Stateme...

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  18. Statement-I : Cause of production of continuous X-rays is the loss in ...

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  19. Statement-I : X-rays are high energy photons. Statement-II : alpha-...

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  20. Statement-I : X-rays can be emitted by the excited atoms. Statement...

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