Define the term amplitude of a wave. Write its S.I. unit.

When the amplitude of a wave increases, its

Define the activity of a radionuclide. Write its SI unit. Give a plot of the activity of a radioactive species versus time.

Define the activity of a radionuclide. Write its SI unit. Give a plot of the activity of a radioactive species versus time.

Define the term wave velocity. Write its S.I. unit.

What do you mean by the term frequency of a wave ? State its S.I. unit.

Define the activity of a radio nuclide. Write its S.I. unit. Give a plot of the activity of a radioactive species versus time. How long will a radioactive isotope, whose half life is T years, take for its activity to reduce to 1//8 th of its initial value ?

Define the term 'mobility' of charge carriers. Write its S.I. unit.

Define the term 'self-inductance' and write the S.I. unit.

Define the term electric potential. State its S.I. unit.

Define the term intensity of a sound wave. State the unit in which it is measured.