Choose the INCORRECT statement.

Options

• Option A

  Cut-off wavelength of X-rays is independent of filament voltage.

• Option B

  Presence of Kα-line in X-ray spectrum means that L-series will also be present.

• Option C

  Increase in filament current increases intensity of X-ray.

• Option D

  Presence of L-series in X-ray spectrum means that K-series will also be present.