k so pressure on surface of dish would be same as atmospheric pressure 1 atm. pressure in tube at top would be 0 as its vacuum. So mercury stays suspended. But if i take the tube filled with mercury out of dish, pressure in tube at top will still be 0 and pressure at opening of tube (since its...
In a barometer where a tube filled with mercury is inverted in dish filled with mercury, the mercury in the tube is suspended/rises to 760 mm mark. I read this is due to pressure of weight of mercury being equal to pressure of atmosphere.
My question is that, if i were to take the tube out...