Advertisements
Advertisements
प्रश्न
Give two reasons why water is not a suitable barometric liquid.
उत्तर
Water is not a suitable barometric liquid because:
(i) The vapour pressure of water is high, so its vapours in the vacuum space will make the reading inaccurate.
(ii) Water sticks with the glass tube and wets it, so the reading becomes inaccurate.
APPEARS IN
संबंधित प्रश्न
Suggest two methods to find out wind direction at a given place.
Explain the following :
A balloon collapses when air is removed from it.
How is the barometric height of a simple barometer affected if Its tube is pushed down into the trough of mercury?
What is meant by the term ‘Atmospheric Pressure’?
The small variations in pressure that exist largely determine the ______ and ______ patterns of the earth.
Humans are sensitive even to a small variations in pressure.
Give Reason for the following
Our ears pop in Airplanes.
Tyre pressure of 30psi is almost ______ the atmospheric pressure.
Why do Scuba divers wear special suits and equipment?
