If a $p-n$ junction is forward biased,then which of the following figures gives the correct direction of current inside the semiconductor?

Which of the products is formed when acetone is reacted with barium hydroxide solution?

$A$ wire fixed at the upper end stretches by length $l$ by applying a force $F$. The work done in stretching is

Which compound has the highest covalent character?

Which one of the following represents the correct order of electronegativity?

Let $A(3-i)$ and $B(2+i)$ be two points in the Argand plane. If the point $P$ represents the complex number $z=x+iy$,which satisfies $|z-3+i|=|z-2-i|$,then the locus of the point $P$ is