Which of the following is not correct regarding $Terylene$?

If $\theta$ is the angle between the curves $xy=2$ and $x^2+4y=0$, then $\tan \theta$ is equal to:

An electromagnetic radiation has an energy $14.4 keV$. To which region of the electromagnetic spectrum does it belong?

The organelle associated with aerobic respiration is:

Which compound has the highest covalent character?

The network shown in the figure is a part of a complete circuit. If at a certain instant the current $i$ is $5\, A$ and is decreasing at the rate of $10^3\, A/s$,then $V_A - V_B$ is......$V$.