If the density of iron is 7.85 g cm^(-3) and density of water is 1000 kg m-3, then the relative density of iron is __________.
Calculate the critical velocity of water through a narrow tube of radius 0.3 mm. Coefficient of viscosity of water is 0.0011 SI units and density of water 1000"kg m"^(-3) . Take Reynolds number as 1000.
Calculate the equivalent height of water barometer if the pressure recorded by mercury barometer is 76 cm. Density of mercury is 13600kgm^(-3) and density of water is 1000kgm^(-3) .
A solid piece weighs 200 g in air, 150 g in water and 100 g in a liquid. The relative density of the liquid will be
Calculate the number of molecules present in 1 litre of water assuming that density of water is 1 g mL^(-1) .
A ball weighs 80 g in air 60g in water and 50g in liquid if the density of water is 1gcm^-3 find the density of this liquid.