Can you make the question it is a pdf with explanation

Research the neutrino using the internet and report your findings. in a nuclear decay, the nucleus of an atom splits apart. larger particles can be detected and their masses and velocities can be recorded. explain how the existence and properties of the neutrino could be predicted using the conservation laws.

State one advantage and one disadvantage of using a plane mirrior as a driving mirrior

Determine the maximum r-value of the polar equation r =3+3 cos 0