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The energy of a photon of characteristic...

The energy of a photon of characteristic X-ray from a Coolidge tube comes from

A

The kinetic energy of the striking electron

B

The kinetic energy of the free electrons of the target

C

The kinetic energy of the ions of the target

D

An electronic transition of the target atom

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The correct Answer is:
D
The energy of `X` - rays photon obtained from a Coolidge tube by an electronic transition from `L` orbit in `K` orbit.
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A2Z-DUAL NATURE OF RADIATION AND MATTER-X-Rays
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  2. Penetrating power of X - rays depends on

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

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

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

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  7. The most penetrating radiation out of the following is

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

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

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  10. The wavelength of X - rays decreases , when

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

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

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

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

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

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

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

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

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  19. The binding energy of the innermost electron in tungsten is 40 keV. To...

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