The M.I. of a thin uniform stick of mass 9 gm about an axis passing through one end perpendicular to the length of a meter stick is

Options

A. `90gm cm^(2)`
B. `9 kg m^(2)`
C. `3gm m^(2)`
D. `9.8 kg m^(2)`

Answer

C

Explanation

`I = (ml^(2))/(3)=(9xx1)/(3)=3 gm^(2)`.