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प्रश्न
Illustrate with the help of a labelled diagram of a simple barometer that the atmospheric pressure at a place is 76 cm of Hg.
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उत्तर
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संबंधित प्रश्न
Explain why holes are made in hanging banners and hoardings.
Describe an experiment to demonstrate that air exerts pressure.
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Two holes are made in a completely filled sealed tin can to take out oil from it .
Give two reasons why water is not a suitable barometric liquid.
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Explain briefly the factors that affect Atmospheric Pressure.
Atmospheric pressure at sea level is 76 cm of mercury. Calculate the vertical height of the air column exerting the above pressure. Assume the density of air 1.29 kgm−3 and that of mercury is 13600 kgm−3. Why the height calculated by you is far less than the actual height of the atmosphere?
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Draw a neat and labeled diagram to explain its construction and working.
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).
