Which of the following do not affect the barometric height at a given place?
Barometric height changes, if mercury is impure.
Barometric height changes with change in humidity in air.
Barometric height is independent of area of cross-section of barometric tube.
Barometric height changes with change in temperature.
Barometric height is independent of area of cross- section of barometric tube.
A barometric height at a place changes only when the atmospheric pressure at that place changes.
The value of g at a place decreases by 2%. The barometric height of mercury
If the value of g at a place is decreased by 2%. The barometric height of the mercury