$A$ force of $(2\hat i + 3\hat j + 4\hat k) \; N$ acts on a body for $4 \; s$,producing a displacement of $(3\hat i + 4\hat j + 5\hat k) \; m$. The power used is ....... $W$. (in $.5$)

For the reaction $3X_{(g)} + Y_{(g)} \rightleftharpoons X_3Y_{(g)}$,the amount of $X_3Y$ at equilibrium is affected by ...........

Which one of the following pairs is correctly matched with regard to the codon and the amino acid coded by it?

$\int_0^\pi \frac{1}{1+\sin x} \, dx$ is equal to

Which of the following statements is not correct when a junction diode is in forward bias?

The densities of a liquid at $0^{\circ} C$ and $100^{\circ} C$ are respectively $1.0127$ and $1$. $A$ specific gravity bottle is filled with $300 \ g$ of the liquid at $0^{\circ} C$ up to the brim and it is heated to $100^{\circ} C$. Then,the mass of the liquid expelled in grams is: (Coefficient of linear expansion of glass $= 9 \times 10^{-6} /^{\circ} C$)