The reading of the ammeter in the circuit shown will be: (in $A$)

During sodium nitroprusside test of sulphide ion in an aqueous solution, one of the ligands coordinated to the metal ion is converted to

Silviculture is the cultivation of which of the following?

$A$ scion is grafted to a stock. The quality of fruits produced will be determined by the genotype of

In a rectangle $ABCD$ where $BC = 2AB$,the moment of inertia will be minimum about which axis?

$A$ uniform cylinder of length $L$ and mass $M$ having cross-sectional area $A$ is suspended,with its length vertical,from a fixed point by a massless spring such that it is half submerged in a liquid of density $\sigma$ at equilibrium position. The extension $x_0$ of the spring when it is in equilibrium is: