The silicate having one monovalent corner oxygen atom in each tetrahedron unit is:

The area bounded by the curve $y = x^2 + 2$,the $x$-axis,and the lines $x = 1$ and $x = 2$ is:

$A$ parallel plate capacitor with oil (dielectric constant $K = 2$) between the plates has capacitance $C$. If the oil is removed,the capacitance of the capacitor becomes:

Which of the following is not present in a nucleotide?

Nickel shows ferromagnetic property at room temperature. If the temperature is increased beyond Curie temperature,then it will show:

The value of $c$ in the Lagrange's mean value theorem for $f(x)=\sqrt{x-2}$ in the interval $[2,6]$ is