This question has Statement-1 and Statement-2. Of the four choices given after the Statements, choose the one that best describes the two Statements.…

This question has Statement-$\displaystyle 1$ and Statement-2. Of the four choices given after the Statements, choose the one that best describes the two Statements.Statement $\displaystyle 1$: Short wave transmission is achieved due to the total internal reflection of the e-m wave from an appropriate height in the ionosphere. Statement $\displaystyle 2$: Refractive index of a plasma is independent of the frequency of e-m waves.