Which one of the following statements is WRONG in the context of X-rays generated from a X-ray tube ?

Options

A. Wavelength of characteristic X-rays decreases when the atomic number of the target increases.
B. Cut-off wavelength of the continuous X-rays depends on the atomic number of the target.
C. Intensity of the characteristic X-rays depends on the electrical power given to the X-ray tube.
D. Cut-off wavelength of the continuous X-rays depends on the energy of the electrons in the X-ray tube,

Answer

B

Explanation

The cut of wavelength is given by `lambda_("min")=(hc)/(eV)`
The cut off wavelength depends on the energy eV of the acclerated electrons and is independent of the atomic number of target.