Units and dimensions

The unit and dimensions of impedance in terms of charge Q are

The pair of quantities haivng neither units nor dimensions is

Explain the concept of torque. Write its unit and dimensions.

In SI units, the dimensions of sqrt((epsilon_(0))/(mu_(0)) is:

Which of the following physical quantities has neither units nor dimensions?

Which of the following physical quantities has neither units nor dimensions?

In SI units, the dimensions of sqrt((epsilon_(0))/(mu_(0))) is

Give an example of (a) a physical quantiy which has a unit but no dimensions. (b) a physical quantity which has neither unit no dimensions. (c ) a constant which has a unit. (d) a constant which has no unit.

Quantity having units but no dimensions is

Quantity having units but no dimensions is