The graph of l against T for a simple pendulum is

The graph of time period (T) of a simple pendulum versus its length (I) is

The shape of l-T graph of simple pendulum is

The l - T^(2) graph of a simple pendulum is an shown in the figure. The time period of the pendulum of length 0.5 mm is

If the speed (v) of the bob in a simple pendulum is plotted against the tangential acceleration (a), the correct graph will be represented by