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The X- rays beam coming from an X- rays ...

The X- rays beam coming from an X- rays tube will be

A

monochromatic

B

having all wavelength larger than a certain minimum wavelength

C

having alll wavelengths smaller than a certain maximum wavelenth

D

having all wavelength between a minimum and a maximum wavelength

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The correct Answer is:
D
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  1. Increase in which of the following increases the penetrating power of ...

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  2. X-rays are not used for radar purooses, because they are not,

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  3. The X- rays beam coming from an X- rays tube will be

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

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  5. Hydrogen atom does not emit X-rays because

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

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  7. A set of atom in an excited state decays

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  8. X-ray beam can be deflected

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

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

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  11. X-rays are produced by jumping of:

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

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  13. In the Bohr model of the hydrogen atgom

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

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

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

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

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

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

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

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