The force with which an object is attracted to the earth is called its
The refractive index of liquid is 1.5. If the velocity of light in vacuum is 3.0 x 108ms-1, the velocity of light in the liquid is
If relative density of a metal is 19, what will be the mass of 20cm3 of the metal when immersed in water?
Which of the following statements is true about liquid pressure is NOT correct? The pressure