Which of the following is a non-reducing sugar?

$(\sim (p \vee q)) \vee (\sim p \wedge q)$ is logically equivalent to

$A$ particle is dropped from a height $H$. Find the time taken by the particle to reach the ground.

$A$ parallel plate capacitor with plate area $A$ and separation between the plates $d$ is charged by a constant current $I$. Consider a plane surface of area $A/2$ parallel to the plates and drawn between the plates. The displacement current through the area is

Which of the following is not added during the extraction of silver by the cyanide process?

$A$ block of mass $2 \ kg$ slides down an inclined plane of inclination $30^{\circ}$. The coefficient of friction between the block and the plane is $0.5$. The contact force between the block and the plane is: