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The distance between the cathode (filame...

The distance between the cathode (filament) and the target in an X-ray tube is 1.5 m. If the cutoff wavelength is 30 pm, find the electric field between the cathode and the target.

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Given `d=1.5m`
` lambda=30p m =30xx10^-3nm `
` E=(hc)/lambda=1242/(30xx10^-3) `
` =4.14xx10^3eV `
` Electric field =V/d=(41.4xx10^3) /1.5 `
` 27.6xx10^3V//m `
` 27.6KV//m`
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HC VERMA-X-Rays-Exercises
  1. The X-ray coming from a Coolidge tube has a cutoff wavelength of 80 pm...

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  2. If the operating potential in an X-ray tube is increased by 1%, by wha...

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  3. The distance between the cathode (filament) and the target in an X-ray...

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  4. The short-wavelength limit shifts by 26 pm when the operating voltage ...

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  5. The electron beam in a colour TV is accelerated through 32 kV and then...

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  6. When 40 kV is applied across an X-ray tube, X-ray is obtained with a m...

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  7. An X-ray tube operates at 40 kV. Suppose the electron converts 70% of ...

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  8. The wavelength of Kalpha X-ray of tungsten is 21*3 pm. It takes 11*3 k...

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  9. The Kbeta X-ray of argon has a wavelength of 0.36 nm. The minimum ener...

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  10. The kalpha X-rays of aluminium (Z = 13 ) and zinc ( Z = 30) have wavel...

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  11. A certain element emits Kalpha X-ray of energy 3*69 keV. Use the data ...

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  12. The kbeta X-rays from certain elements are given below. Draw a Moseley...

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  13. Use Moseley's law with b = 1 to find the frequency of the Kalpha X-ray...

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  14. The Kalpha and Kbeta X-rays of molybdenum have wavelengths 0*71 A and ...

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  15. The wavelength of Kalpha and Lalpha X-rays of a meterial are 21.3 pm a...

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  16. The energy of a silver atom with a vacancy in K shell is 25.31 keV, in...

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  17. Find the maximum potential difference which may be applied across an X...

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  18. The electric current in an X-ray tube (from the target to the filament...

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  19. Heat at the rate of 200 W is produced in an X-ray tube operating at 20...

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  20. Continuous X-rays are made to strike a tissue paper soaked with pollut...

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