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
Nose bleeding may occur at a high altitude because
Write the numerical value of the atmospheric pressure on the surface of earth in pascal.
Why does the liquid rise in a syringe when its piston is pulled up?
What do the following indicate in a barometer regarding weather : gradual fall in the mercury level
What do the following indicate in a barometer regarding weather : Gradual rise in the mercury level?
Give reasons for the following:
The Westerlies in the Southern Hemisphere blow with greater force than those in the Northern Hemisphere.
What is the value of atmospheric pressure?
How is the reading of a barometer affected when it is taken to: A hill
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).
