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In an X - rays tube , the intensity of t...

In an `X` - rays tube , the intensity of the emitted `X` - rays beam is increased by

A

Increasing the filament current

B

Decreasing the filament current

C

Increasing the target potential

D

Decreasing the target potential

Text Solution

Verified by Experts

The correct Answer is:
A
By changing the filament current with the help of rheostat , thermionic emission intensity of `X - rays` can be changed.
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A2Z-DUAL NATURE OF RADIATION AND MATTER-X-Rays
  1. The continuous X - rays spectrum produced by an X - ray machine at con...

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

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

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  4. Penetrating power of X - rays depends on

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  5. The energy of a photon of characteristic X-ray from a Coolidge tube co...

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  6. Penetrating power of X - rays can be increased by

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  7. The essential distinction between X - rays and gamma - rays is that

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  8. What determines the hardness of the X - rays obtained from the Coolidg...

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  9. The most penetrating radiation out of the following is

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  10. On increasing the number of electrons striking the anode of an X - ray...

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  11. Penetrating power of X - rays does not depend on

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  12. The wavelength of X - rays decreases , when

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  13. If the cathode - anode potential difference in an X - ray tube be 10^(...

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  14. The shorted wavelength of X- rays emitted from an X- rays tube depends...

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  15. When a beam of accelerated electrons hits a target , a continuous X - ...

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  16. If lambda(1) and lambda(2) are the wavelength of characteristic X - ra...

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  17. The wavelength lambda of the K(a) line of characteristic X - ray spect...

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  18. The minimum wavelength of X - rays produced by electrons accelerated b...

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  19. The potential difference applied to an X-ray tube is increased. As a r...

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  20. A potential difference of 42,000 "volts" is used in an X - ray tube to...

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