Reading of a barometer at the top and ground floors of a buliding are 75.000 cm. and 75.125 cm. respectively. The density of mercry is ` 13600 kg//m^2` and that of air is `1.36 kg//m^2` What is the height of the buliding ?

The bulk modulus of mercury is 2.8 xx 10^(10)" N/m"^2 and the density is 13600 kg/m ""^2. What is the speed of sound in mercury ?

The length, breadth and height of a room are 8 m, 5 m and 3 m respectively. If density of air is 1.29 kg m^(-3) , find the mass of air in the room.

The density of cooking oil is 1 .2 "g/cm"^3 . What is its density in "kg/m"^3 ?

A room of legnth, breadth are and height 6mxx5mxx4m respectively. If the density of air is 1.2kg m^(3) , then mass of air in the room is

The height of a mercury barometer is 75 cm at sea level and 50 cm at the top of a hill. Ration of density of mercury to that of air is 10^(4) . The height of the hill is

The height of a mercury barometer is 75 cm at sea level and 50 cm at the top of a hill. Ration of density of mercury to that of air is 10^(4) . The height of the hill is

A rain drop with radus 1.5 mm falls from a cloud at a height 1200 m from ground . The density of water is 1000 kg//m^(3) and density of air is 1.2 kg//m^(3) . Assume the drop was spherical throughout the fall and there is no air drag. The impact speed of the drop will be :

A rain drop with radus 1.5 mm falls from a cloud at a height 1200 m from ground . The density of water is 1000 kg//m^(3) and density of air is 1.2 kg//m^(3) . Assume the drop was spherical throughout the fall and there is no air drag. The impact speed of the drop will be :