engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Physics Fluids Density and Pressure
Which of the following statement is/are correct?
1. The pressure of the atmosphere at any point is equal to the weight of a column of air of unit cross-sectional area extending from that point to the top of the atmosphere.
2. A barometer has a height of about 76 cm at sea level.
1
1 only
2
2 only
3
1 and 2 both
4
none of the above