The Planck constant is $6.626 imes 10^{-34}$ J s. Express this in units of eV s (electron-volt seconds), given 1 eV = $1.602 imes 10^{-19}$ J.

The SI unit of momentum is

The dimension of $\frac{1}{{\sqrt {{\varepsilon _0}{\mu _0}} }}$ is that of

If C,R,L and I denote capacity, resistance, inductance and electric current respectively, the quantities having the same dimensions of time are $\left( 1 \right)\,CR,\,\,\left( 2 \right)\,\frac{L}{R}\,,\,\,\left( 3 \right)\,\sqrt {LC} \,\,\left( 4 \right)\,L{I^2}$

The pressure of a gas is 760 mmHg. What is this pressure in Pascals? (Given 1 atm = 760 mmHg = $1.013 imes 10^5$ Pa)

Two quantities A and B have different dimensions. Which mathematical operation given below is physically meaningful

Given that υ is speed, r is the radius and g is the acceleration due to gravity. Which of the following is dimensionless

$\left[ {M{L^2}{T^{ - 3}}} \right]$ is the dimension of

If C be the capacitance and V be the electric potential, then the dimensional formula of $C{V^2}$ is

The physical quantities not having same dimensions are

The dimension of the ratio of angular momentum to linear momentum is