The same force Facts on four different objects having the areas given below, one by one. In which case the pressure exerted will be the maximum?

If we release a magnet held in our hand, it falls to the ground. The force responsible for this is :

Which of the following force is utilized in reducing air pollution by removing dust, soot and fly-ash particles from the smoke coming out of chimneys of factories ?

Which of the following represent correct values for the normal atmospheric pressure?

A) 101.3 kilopascals

B) 76 mm of mercury

C) 101.3 pascals

D) 76 cm of mercury

Which of the following does not work on the existence of atmospheric pressure ?