Match List - I with List - II.

	List - I		List - II
(a)	$${R_H}$$ (Rydberg constant)	(i)	$$kg\,{m^{ - 1}}{s^{ - 1}}$$
(b)	h (Planck's constant)	(ii)	$$kg\,{m^2}{s^{ - 1}}$$
(c)	$${\mu _B}$$ (Magnetic field energy density)	(iii)	$$\,{m^{ - 1}}$$
(d)	$$\eta $$ (coefficient of viscocity)	(iv)	$$kg\,{m^{ - 1}}{s^{ - 2}}$$

Choose the most appropriate answer from the options given below :

If force (F), length (L) and time (T) are taken as the fundamental quantities. Then what will be the dimension of density :

Which of the following is not a dimensionless quantity?

If E and H represents the intensity of electric field and magnetising field respectively, then the unit of E/H will be :