Manometer is used to measure-
Calorie is the unit of-
A stratight rod partially immersed in water seems bent. Its reason is-
Which law states that a liquid inside a closed system exerts equal pressure in all directions?
An electro-magnet is made of-
Only two elements are in liquid state at room temperature. They are
A stone was dropped freely in a river flowing down a bridge. The stone takes 2 seconds in touching the water surface. The height of the bridge is-
1 micron is equal to-
The most abundant gas found in earth’s atmosphere is-
The Chemical formula of Caustic Soda is-
