Mercury Barometers on Different Planets
What would happen if you brought a mercury barometer to Earth, the Moon, Mercury, Venus, and Mars? Here, we assume that the mercury barometer has a U-shaped tube: one side is open, and the other side … more
Pressure And Altitude
Density distribution in the atmosphere
Observe how the density distribution of the atmosphere changes as gravity (gravitational acceleration) is varied. The total kinetic energy of the air particles is assumed to be constant. Gravity is assumed to act uniformly, and no … more
Torricelli’s Experiment
Torricelli’s Experiment The first person to measure the magnitude of air pressure is Italian scientist Torricelli. He was filled with mercury (Hg) in a glass tube with one end blocked. And he stood upside down in … more