Fill in the blank spaces with appropriate answers:
`mu = A + B/lambda^2` is the ________ equation.

Fill in the blank spaces with appropriate answers: The angular dispersive psi = ________

Fill in the blank spaces with appropriate answer: The pole strength of a magnet is a ______ quantity.

Fill in the blank spaces with appropriate answers: An object has to be placed at ________ of a concave mirror so that the magnification is one.

Fill in the blank spaces with appropriate answers: Nuclear force is _______ range force.

Fill in the blank spaces with appropriate answers: charge is considered to be a _______ quantity.

Fill in the blanks spaces with appropriate answers. Unlike currents……….

Fill in the blanks spaces with appropriate answers. ………..currents attract.

Fill in the blank spaces with appropriate answers: The S.I unit of permittivity is ______.

Fill in the blank spaces with appropriate answer: An isolated magnetic pole ____ exists.

Fill in the blank spaces with appropriate answers: The dipole moment due to a dipole is a ___________ quantity.