Advertisements
Advertisements
प्रश्न
What is meant by atmospheric pressure?
Advertisements
उत्तर
Atmospheric point at any point in the air at rest is equal to the weight of a vertical column of air on a unit area surrounding the point, the column extending to the top of the atmosphere.
APPEARS IN
संबंधित प्रश्न
What do you understand by atmospheric pressure?
The normal atmospheric pressure is :
Convert 1 mm of Hg into pascal. Take density of Hg = 13.6 x 103 kg m-3 and g = 9.8 m s-2 .
Give reasons for the following:
The Westerlies in the Southern Hemisphere blow with greater force than those in the Northern Hemisphere.
Give reasons for the following:
Temperature and pressure are inversely related to one another.
State briefly, how and why the atmospheric pressure of a place varies with the altitude. Draw an approximate graph to illustrate this variation.
How is the reading of a barometer affected when it is taken to: A mine
Draw a simple diagram of a Fortin's barometer and state how it is used to measure the atmospheric pressure.
Give Reason for the following
Our ears pop in Airplanes.
The increase in internal energy of 1 kg of water at 100°c when it is converted into steam at the same temperature and at 1 atmospheric pressure will be ______.
(density of steam is 0.6 kg m-3, latent heat of vaporisation of water = 2.25 × 106 J kg-1).
