The graph between time period (`T`) and length (`l`) of a simple pendulum is

What is the relation between the period T_(s) and T_(e ) of a simple pendulum and a conical pendulum respectively, if they have the same length ?

The graph between the length and square of the period of a simple pendulum is a

The graph between the length and square of the period of a simple pendulum is a

The shape of l-T graph of simple pendulum is

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