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To produce hard X-rays in Coolidge tube,...

To produce hard X-rays in Coolidge tube, we should increase

A

current in filament

B

potential difference acros the filament potential diference across the filament

C

potential difference across cathode and anticathode

D

none of the above

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The correct Answer is:
C
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NIKITA PUBLICATION-ATOMS, MOLECULES AND NUCLEI-MCQs
  1. Which of the following types of electromagnetic waves have the longest...

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  2. Intensity of X-rays depends upon the number of

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  3. To produce hard X-rays in Coolidge tube, we should increase

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  4. In an X-ray tube, the intensity of the emitted X-ray beam is increased...

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  5. The wavelength of the characteristic X - ray k(alpha ) line emitted by...

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  6. An X-ray tube operated at 30 kV emits a continuous X-ray of short wave...

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  7. The wavelength of K(alpha) X-rays produced by an X-ray tube is 1.785 Å...

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  8. Which of the following is accompanied by the characteristic X - ray em...

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  9. For continuous X-rays produced wavelength is

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  10. The speed of the electron in the second orbit in a H-atom is

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  11. The velocity of the electron in the first Bohr's orbit is 2.181xx10^(6...

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  12. The angular momentum of the electron in the third orbit of H atom is

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  13. The angular speed of the electron in the first orbit in a hydrogen ato...

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  14. The angular speed of the electron in the first orbit in a H atom is 4....

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  15. The radius of the first Bohr orbit of the hydrogen atom is 0.53 Å and ...

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  16. The radius of first Bohr orbit in H-atom is 0.53 Å. The radius of thir...

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  17. The energy of the electron in the third orbit of H-atom is -1.51 eV. T...

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  18. Energy of an electron in second Bohr orbit of H-atom is -3.4 eV. The R...

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  19. If an electron in hydrogen atom jumps from third orbit to second orbit...

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  20. The wavelength of H(alpha) line in Balmer series is

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