Match List - I with List - II.

	List - I		List - II
(a)	Torque	(i)	MLT$$^{ - 1}$$
(b)	Impulse	(ii)	MT$$^{ - 2}$$
(c)	Tension	(iii)	ML$$^{ 2}$$T$$^{ - 2}$$
(d)	Surface Tension	(iv)	MLT$$^{ - 2}$$

Choose the most appropriate answer from the option given below :

Which of the following equations is dimensionally incorrect?

Where t = time, h = height, s = surface tension, $$\theta$$ = angle, $$\rho$$ = density, a, r = radius, g = acceleration due to gravity, v = volume, p = pressure, W = work done, T = torque, $$\in$$ = permittivity, E = electric field, J = current density, L = length.

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 :