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प्रश्न
State two advantages of an aneroid barometer over a simple barometer.
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उत्तर
Aneroid barometer has no liquid and it is portable. It is calibrated to read directly the atmospheric pressure.
संबंधित प्रश्न
Write the numerical value of the atmospheric pressure on the earth surface in pascal.
Give two reasons why water is not a suitable barometric liquid.
The atmospheric pressure at earth's surface is P1 and inside mine is P2. They are related as :
At a given place, a mercury barometer records a pressure of 0.70 m of Hg. What would be the height of water column if mercury in barometer is replaced by water? Take density of mercury to be = 13.6 × 103 kg m-3.
State briefly, how and why the atmospheric pressure of a place varies with the altitude. Draw an approximate graph to illustrate this variation.
What is meant by atmospheric pressure?
State two factors which affect the atmospheric pressure as we go up.
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
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 a liquid of relative density 1.2
