Advertisements
Advertisements
प्रश्न
Describe the crushing tin can experiment. What do you conclude from this experiment?
Advertisements
उत्तर
Take a tin-can having an airtight cap (screw cap). Remove cap and boil some water in it, so that steam comes out and in this way air from inside goes out. While boiling replace the cap and allow it to cool. Vapours inside condense and form water creating a vacuum above them. We see the can crumbles due to air pressure from outside. This proves that air exerts pressure.
APPEARS IN
संबंधित प्रश्न
What name is given to thrust per unit area ?
Higher we go, greater is the air pressure.
Pressure in a liquid ................with the depth.
Describe an experiment to show that a liquid exerts pressure at the bottom of the container in which it is kept.
A dam has broader walls at the bottom than at the top. Give a reason.
Pressure exerted by a liquid is increased by
The pressure of a liquid column ______ with the depth of the column.
Describe an experiment to prove that the pressure in a liquid increase with depth.
State whether true or false. If false, correct the statement.
The shape of an object helps to determine whether the object will float or not
Name an instrument used to measure the difference in the liquid pressure.
