The histogens are classified on the basis of

$A$ rope is used to lower a block of mass $M$ vertically by a distance $x$ with a constant downward acceleration of $\frac{g}{2}$. The work done by the rope on the block is:

Which of the following species can act as a reducing agent?

$A$ particle of mass $0.1 \,kg$ is subjected to a force which varies with distance as shown. If it starts its journey from rest at $x=0$,then its velocity at $x=12 \,m$ is .............. $m/s$.

The radius of the circle $r = \sqrt{3} \sin \theta + \cos \theta$ is

The depletion layer in the $p-n$ junction is caused by