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The X-ray coming from a Coolidge tube ha...

The X-ray coming from a Coolidge tube has a cutoff wavelength of 80 pm. Find the kinetic energy of the electrons hitting the target.

Text Solution

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The correct Answer is:
`15.5 keV`
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The battery connected across a coolidge tube operates at a power level of 1 W when the no. of electrons hitting the target in 1 second is 6.25xx10^(13) . Find the minimum wavelength in the resulting X-rays spectrum:

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Knowledge Check

  • The X-ray beam coming from an X-ray tube

    A
    is monochromatic
    B
    has all wavelengths smaller than a certain maximum wavelength
    C
    has all wavelengths greater than a certain minimum wavelenth
    D
    has all wavelengths lying between a minimum and a maximum wavelength

  • If the short wavelength limit of the continous spectrum coming out of a Coolidge tube is 10 A , then the de Broglie wavelength of the electrons reaching the target netal in the Coolidge tube is approximately

    A
    `0.3A`
    B
    `3A`
    C
    `30A`
    D
    `10A`

  • The X- rays beam coming from an X- rays tube will be

    A
    monuchromatic
    B
    having all wavwlength smaller than a cortain maximum wavelength
    C
    having all wavwlength largest than a cortain maximum wavelength
    D
    having all wavwlength lying between a minimum and a maximum wavelength

    • Similar Questions

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    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.

    Does the cutoff wavelength lamda_(min) of the continous x- ray spectrum increse decrease or remain the same if you (a) increase the kinetic energy of the electrons that strike the x ray target (b ) allow the electrons to strike a thin foil rather than a thick block of the target material ,(c ) change the target to an element of higher atomic number ?

    50% of the X-ray coming from a Coolidge tube is able to pase through a 0.1 mm thick aluminium foil. If the potential difference between the target and the filament is increased, the fraction of the X-ray passing through the same foil will be

    In an X-ray tube , electrons bombarding the anode produce X-rays of wavelength 1 Å . The energy of an electron , when it hits the anode is

    The continuous x - ray spectrum obtained from a Coolidge tube is of the form

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