Advertisements
Advertisements
Question
Why does nose start bleeding on high mountains?
Advertisements
Solution
On mountains, the atmospheric pressure is quite low. As such, nose bleeding may occur due to excess pressure of blood over the atmospheric pressure.
APPEARS IN
RELATED QUESTIONS
When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. The rise of water in the dropper is due to
Write the numerical value of the atmospheric pressure on the surface of earth in pascal.
Why does the liquid rise in a syringe when its piston is pulled up?
What is the purpose of a barometer?
How is the barometric height of a simple barometer affected if A drop of liquid is inserted inside the tube?
Mention two demerits of a simple barometer and state how they are removed in a Fortin barometer .
Atmospheric pressure at sea level is 76 cm of mercury. Calculate the vertical height of the air column exerting the above pressure. Assume the density of air 1.29 kgm−3 and that of mercury is 13600 kgm−3. Why the height calculated by you is far less than the actual height of the atmosphere?
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
At higher altitudes, air becomes ______
Define Low pressure.
