X raysMedium
Question
X-rays from a given X-ray tube operating under specified conditions have a sharply defined minimum wavelength. The value of this minimum wavelength could be reduced by
Options
A.decreasing the temperature of the filament.
B.increasing the p.d. between the cathode and the target.
C.reducing the pressure in the tube.
D.using a target material of higher relative atomic mass.
Solution
Minimum wavelength of x−rays is given by
λmin =
Hence, value of lmin can be reduced by increasing the potontial diffrence V between the cathode and the target.
λmin =
Hence, value of lmin can be reduced by increasing the potontial diffrence V between the cathode and the target.
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