For a planet, the graph of `T^(2)` against `r^(3)` is plotted. The slope of the graph is

The periodic time T of a simple pendulum are observed , for different length L if a graph of 'log T' against 'log L' is plotted , the slope of the graph at T = 2 s is

The graph of l against T for a simple pendulum is

For Freundlich isotherm, a graph of log x/m is plotted against log P. The slope of the line and its y-axis intercept respectively correspond to

The maximum kinetic energy of emitted photoelectrons against frequency v of incident radiation is plotted as shown in figure. The slope of the graph is equal to

A graph of force against extension of a wire is plotted. The area under the curve is

A graph of force against extension of a wire is plotted. The area under the curve is