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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.
Give two reasons for use of mercury as a barometric liquid.
State two advantages of an aneroid barometer.
What is the purpose of a barometer? State two major defects of a simple barometer.
A solid weighs 2.10 N in air. It has a relative density of 8.4. How much will the body weigh if placed: In water
Draw a simple diagram of a Fortin's barometer and state how it is used to measure the atmospheric pressure.
Define one atmosphere.
A low-pressure system is also called ______ and ______.
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).
