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Hydrogen atom does not emit X-rays becau...

Hydrogen atom does not emit X-rays because

A

its energy levels are too close to each other

B

its energy levels ar too far apart

C

it has a very small mass

D

it has a single electron

Text Solution

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The correct Answer is:
A
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DC PANDEY-ATOMS-Taking it together
  1. The X- rays beam coming from an X- rays tube will be

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  2. Consider a photon of continuous X-ray coming from a Coolidge tube. Its...

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  3. Hydrogen atom does not emit X-rays because

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  4. Moseley's law for characteristic X-rays is sqrt v = a(Z-b). In this,

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  5. A set of atom in an excited state decays

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  6. X-ray beam can be deflected

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  7. In an X - rays tube , the intensity of the emitted X - rays beam is in...

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  8. If the current in the circuit for heating the filament is increased, t...

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  9. X-rays are produced by jumping of:

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  10. The difference in angular momentum associated with electron in two suc...

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  11. In the Bohr model of the hydrogen atgom

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  12. Which of the following parameters are the same for all hydrogen like a...

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  13. The second line in Paschen series is obtained when the electron makes ...

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  14. An electron moves in a circular orbit at a distance from a proton with...

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  15. Molybdenum is used as a target element for production of X - rays beca...

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  16. An X-ray has a wavelength of 0.010 Å. Its momentum is

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  17. X-rays of lamda = 1Å have frequency

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  18. The simple Bohr model cannot be directly ap-plied to calculate the ene...

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  19. The velocity of an electron in the first orbit of H-atom is v. The vel...

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  20. A X-ray tube operates at an accelerating potntial of 20 kV. Which of t...

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