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Iron emits Kalpha X-ray of energy 6.4 ke...

Iron emits `K_alpha` X-ray of energy 6.4 keV and Calcium emits `K_alpha` X-ray of energy 3.69 keV. Calculate the times taken by an iron `K_a` photon and a calcium `K_a` photon to cross through a distance of 3 km.

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`Distance =3km=3xx10^8m `
` =3xx10^5m//s `
` t=Distance/Speed =(3xx10^3)/(3xx10^8) `
` =10^-5sec=10xx10^-6sec `
` 10mus m both case`
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HC VERMA-X-Rays-Exercises
  1. Find the energy, the frequency and the momentum of an X-ray photon of ...

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  2. Iron emits Kalpha X-ray of energy 6.4 keV and Calcium emits Kalpha X-r...

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  3. Find the cutoff wavelength for the continuous X-rays coming form an X-...

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  4. What potential difference should be applied across an X-ray tube to ge...

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  5. The X-ray coming from a Coolidge tube has a cutoff wavelength of 80 pm...

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

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

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

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

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

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

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

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

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

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

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

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

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

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  19. The wavelength of Kalpha and Lalpha X-rays of a meterial are 21*3 pm a...

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  20. The energy of a silver atom with a vacancy in K shell is 25*31 keV, in...

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