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In a X - ray tube , electrons accelerate...

In a X - ray tube , electrons accelerated through a very high potential difference strike a metal target . If the potential difference is increased , the speed of the emitted X - rays :

A

Increases

B

Decreases

C

Remains unchanged

D

is always equal to `3 xx 10^(8) ms^(-1)` in space

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PHYSICS GALAXY - ASHISH ARORA-X-RAYS-Conceptual MCQ s
  1. Mosley's law relates the frequencies of line X-rays with the followin...

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  2. X- rays are produced in an X- rays tube operating at a given accelerat...

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  3. The wavelengths of Kalpha X-rays from lead isotopes Pb^(204) , Pb^(20...

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  4. X-rays are used to irradiate sodium and copper surfaces in two separat...

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  5. Increase in which of the following increases the penetrating power of ...

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  6. Which of the following are the characteristics required for the target...

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  7. The continuous X - ray spectrum is produced due to :

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  8. X- rays will not show the phenomenon of

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  9. An X-ray photon of wavelength lambda and frequency v colliders with an...

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  10. Why do we not use X - rays in the RADAR?

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  11. In a X - ray tube , electrons accelerated through a very high potentia...

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  12. X-rays region lies between

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  13. A direct X-ray photograph of the intestines is not generally taken by ...

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  14. Hydrogen atom does not emit X-rays because

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  15. When X rays pass through a strong uniform magnetic field. Then they

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  16. White X-rays are called 'white' due to the fact that:

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  17. In the X- ray tube before striking the target we accelerate the electr...

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  18. In a characteristic X-ray spectra of some atom superimposed on continu...

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  19. For the structural analysis of crystals, X-rays are used because

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  20. The intensity of X - rays from a Coolidge tube is plotted against wave...

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