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Cut off wavelength that is the minimum w...

Cut off wavelength that is the minimum wave length of the X-rays produced in an X-ary tube is

A

is directly proportional to the operating voltage

B

is inversely proportional to the operating voltage

C

Depends upon the current in the tube

D

depends upon the atomic number of the target metal

Text Solution

Verified by Experts

The correct Answer is:
B
The minimum wavelength of the X-rays produced in an X-ray tube is inversely proportional to the operating voltage.
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Knowledge Check

  • What is the minimum wavelength of X–rays

    A
    `(eV)/(bc)`
    B
    `(hc)/(eV)`
    C
    `(hc)/(e)`
    D
    `(hc)/(V)`

  • Calculate the minimum wavelength of X-rays produced by an X-ray tube operating at 30 kV. h=6.6 times 10^(-27) erg-sec]

    A
    42.4 nm
    B
    4.2 `overset(@)(A)`
    C
    0.4125 `overset(@)(A)`
    D
    `4.8 mum`

  • An X ray tube is operated at an accelerating potential of 40 kV. What is the minimum wavelength of X rays produced1?

    A
    0.62 Å
    B
    0.31 Å
    C
    0.45 Å
    D
    0.75 Å

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