Answer
Please see the work below.
Work Step by Step
We know that
a. Alpha particles are identical to helium 4 nuclei which has two protons and two neutrons.
b . Beta particles are in fact energetic electrons that are emitted from the nucleus.
c. Gamma rays are high energy electromagnetic radiations that are emitted by a radioactive atom.
d. X-ray is another type of electromagnetic radiation having wavelength between $0.01$ to $10nm$.
