Give the relation between half life and disintegration constant of a radioactive material.

Give the relation between a.m.u. and MeV.

Define the term half life period and decay constant of a radioactive substance. Write their SI unit. Establish a relation between them.

Give relation between drift velociy and electric field?

Give relationship between half life period and concentration for different order of reactions.

Distinguish between half and average life of a radioactive substance.

Define decay constant in Radioactivity.