Question

in a simple barometer the height of mercury is 75cm of mercury. what will the corrosponding height if mercury is replaced by water

Answer 1

first it is not posible to use water in barometer as it takes a testube of 100 meters and as water is transparent we won't get the accurate mesurments and it sticks to the wall of testube so we still don't know what is the hight in water this is your answer