Write the properties of neutrino?

Show that the decay rate 'R' of a sample of a radionuclide is related to the number of radioactive nuclei 'N' at the same instant by the expression R = λN.

Digine atomic mass unit. Find its energy equivalent in MeV

If the total number of neutrons and protons in a nuclear reaction is conserved how than is the energy absorbed or evolved in the reaction? Explain.

With respect to power generation, what are the relative advantages and disadvantages of fusion type and Fission type reactors?