Advertisements
Advertisements
प्रश्न
Why is the barometric height used as unit to express the atmospheric pressure?
Advertisements
उत्तर
It is the atmospheric pressure acting on the surface of the mercury in the trough that supports the vertical mercury column. Hence, barometric height is used as unit to express the atmospheric pressure.
APPEARS IN
संबंधित प्रश्न
Give reason for the following:
Water does not run out of a dropper unless its rubber bulb is pressed.
Explain the following :
Water does not run out of a dropper unless its rubber bulb is pressed .
How is the barometric height of a simple barometer affected if Its tube is pushed down into the trough of mercury?
Give two reasons why water is not a suitable barometric liquid.
What do the following indicate in a barometer regarding weather : Gradual rise in the mercury level?
The normal atmospheric pressure is :
Name the instrument used to measure atmospheric pressure.
On the earth, air pressure is ______
The value of the atmospheric pressure at sea level is
Tyre pressure of 30psi is almost ______ the atmospheric pressure.
