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The X- rays beam coming from an X- rays ...

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

Text Solution

Verified by Experts

The correct Answer is:
C

in the correct option
`lambda_(min)= (hc)/(eV)`
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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
  • The x-raybeam emerging iiom anX-ray tube

    A
    is monochmmatic.
    B
    contains all wavelengths smaller a certain maximum wavelength
    C
    contains all wavelengths larger then a certain minimum wavelength
    D
    contains all wavelengths lying between a minimum and a maximum wavelength.
  • Intensity of x-rays coming from an x-ray tube is plotted against wavelength as shown:-

    A
    If accelerating potential is changed keeping target same, then sharp peaks `(lambda_(2) & lambda_(3))` will shift to new position.
    B
    If accelerating potential is changed keeping the target same, then minimum wavelength of spectrum `(lambda_(1)) ` will shift to new location
    C
    In the radiation coming out of the tube photons corresponding to wavelength `lambda_(3)` will have more energy than those corresponding to `lambda_(2)`
    D
    In the radiation coming out of the tube number of photons corresponding to wavelength `lambda_(3)` will be more in number than number of photons corresponding to `lambda_(2)`
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