If a ball of skeel (density p =7.8 g cm^-3) attains a terminal velocity of 10 cm S^-1 when falling in a tank of water (coefficient of viscosity) water = 8.5\(\times\)10^-4pa s. What will the terminal velocity in glycerine (P = 1.2 g cm^-3, η = 13.2 ρa.s) be?

An deal gas is expanded such that ρT² = a constant find the coefficient of volume expansion of the gas.

Two rods of equal length and diameter have thermal conductivities 3 & 4 units. If they joined in series. Find the thermal conductivity of the combination.

The terminal velocity of a tiny droplet is V. N number of such identical droplets combine together forming a bigger drop v Find the terminal velocity of the bigger drop?

Two spherical soap bubble coalesce. If V be the change in volume of the contained air, A is the change in total surface area then show that 3PV + 4AT = 0 Where T is the surface tension and P is atmospheric pressure.