Cathode rays are made up of electrons. Anode rays are made up of

Consider the following statements:
$1$. The size of the atom is of the order of ${10}^{-10}$m.
$2$. The size of the atomic nucleus is of the order of ${10}^{-15}$ m.
$3$. The electron emitted in beta radiation originates from the decay of a neutron in a nucleus.

Which of the statements given above is/are correct?

The efforts to detect the existence of Higgs Boson particles have become frequent news in the recent past. What is/are the importance/importances of discovering this particle? 

1. It will enable us to understand as to why elementary particles have mass.

2. It will enable us in the near future to develop the technology of transferring matter from one point to another without traversing the physical space between them.

3. It will enable us to create better fuels for nuclear fission.

Select the correct answer using the codes given below: