# Pressure Important questions | Grade VIII

## Important questions for Pressure | Grade VIII

1. Define Pressure . Write its unit and formula .
2. Define 1 pascal pressure .
3. Write the relationship between pressure with force and pressure with area .
4.  What is liquid pressure ?
5. On what factor does liquid pressure depends ?
6. Write the relationship between density of liquid , height of liquid , acceleration due to gravity and liquid pressure .
7. Define density with unit and formula .
8. Prove that : p = hdg
9. Write the characteristics of liquid pressure .
10. Experimentally prove that . Liquid pressure increases with depth .
11. Define air pressure .
12. Define atmosphere .
13. Write the properties of air .
14. Experimentally prove that : Air exerts pressure .
15. Experimentally prove that :  Air exerts pressure on all sides .
16. Write the use of air pressure .
17. What is meant by pressure gauge ?
18. Define manometer , sphygmomanometer .
19. The atmospheric pressure is 760 mmHg at sea level . What does it mean .
20. Define mercury barometer with diagram .
21. Define aneroid barometer and write its usage .
22. Which place in the earth has minimum atmospheric pressure ?
23. Define atmospheric pressure .
24. Define torricellian vacuum .