Advertisements
Advertisements
प्रश्न
Why does a fountain pen leak at high altitude?
Advertisements
उत्तर
A fountain pen filled with ink contains some air at a pressure equal to atmospheric pressure on earth's surface. When pen is taken to an altitude, atmospheric pressure is low so the excess pressure inside the rubber tube forces the ink to leak out.
APPEARS IN
संबंधित प्रश्न
State two experiences that made you think that air exerts pressure.
Give reason for the following :
Two holes are made in a sealed oil tin to take out oil from it.
Why does the liquid rise in a syringe when its piston is pulled up?
Briefly state the variations in the vertical distribution of pressure.
What does a falling barometer indicate?
Why do not we feel uneasy even under enormous pressure of the atmosphere above as?
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
What effect does temperature have on air pressure?
At higher altitudes, air becomes ______
On the earth, air pressure is ______
