Words Of Foreign Origin
The pressure exerted by air on all bodies at all times in all directions is called
Low pressure area
Air opposes the motion of a moving object. This is called air
Take a glass and fill only 1/3 of it with water. Cover the mouth of the glass with an index card. Now hold the card in place and invert the glass over a sink and remove your hand from the card. The card sticks to the glass. This is due to
Water in the glass.
High speed winds are known to
The instrument used to measure the speed of wind is called the
The thrust per unit area is pressure, and pressure due to air column is atmospheric pressure.
Gradual fall in the barometric height indicates___.
An increase in moisture only
Dry weather only
A possibility of rain only
An increase in moisture and a possibility of rain
Boil water in a can until steam has driven out the air present inside the can. Remove the can from the flame and place the stopper immediately. When, cold water is poured over the can, it is observed that the can collapses inward. Which of the following is the correct reason for it?
Pressure inside the can is less than the pressure outside it.
Pressure inside the can is equal to the pressure outside it.
Pressure inside the can is more than the pressure outside it.
The temperature inside the container is less than the outside temperature.
Balloons float in the air due to ____
The nature of the gas present inside.
Variation in the climate.
Which of the following statement is wrong with respect to air?
Air moves from low pressure area to high pressure area
Air exerts pressure
Air expands on heating
Air occupies space
Cite this Simulator:
aven.amritalearning.com,. (2013). Air Pressure. Retrieved 19 June 2019, from aven.amritalearning.com/?sub=100&brch=295&sim=1476&cnt=3398
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