What type of graph do you expect between (i) L and T and (ii) L and T^2 ?

What type of waves do you expect in vacuum

What type of graph you expect between speed of sound through a gas and pressure of the gas.

The graph between L and T^(2) is

What type of bonding would you expect between the following pairs of elements? (i). Calcium and Oxygen (ii). Carbon and Chlorine (iii). Hydrogen and chlorine

For a simple pendulum, the graph between L and T is

For a simple pendulum graph between L and T^(2) will be a