(a(i))[1]
State the name of the charged particles accelerated by the applied p.d.
(a(ii))[2]
Explain how X-rays are generated at the metal target.
(a(iii))[3]
Calculate the minimum wavelength of the X-rays produced when the applied p.d. is $5.80\,\text{kV}$. State your answer in metres.
(b)[3]
X-rays travel through a material with attenuation coefficient of $1.4\,\text{cm}^{-1}$. Calculate the percentage of X-ray energy absorbed by a thickness of $2.8\,\text{cm}$ of this material.