Advertisements
Advertisements
Question
Why do not we feel uneasy even under enormous pressure of the atmosphere above as?
Advertisements
Solution
We don't feel uneasy even under enormous pressure of the atmosphere above us because our blood also exerts a pressure called blood pressure, which is greater than atmospheric pressure. So, there is balance between our blood pressure and atmospheric pressure.
APPEARS IN
RELATED QUESTIONS
Nose bleeding may occur at a high altitude because
Explain the following :
Water does not run out of a dropper unless its rubber bulb is pressed .
At sea level, the atmospheric pressure is 1.04 x 105 Pa. Assuming g = 10 m s-2 and density of air to be uniform and equal to 1.3 kg m-3, find the height of the atmosphere.
At sea level, the atmospheric pressure is 76 cm of Hg. If air pressure falls by 10 mm of Hg per 120m of ascent, what is the height of a hill where the barometer reads 70 cm Hg. State the assumption made by you.
State briefly, how and why the atmospheric pressure of a place varies with the altitude. Draw an approximate graph to illustrate this variation.
How is the reading of a barometer affected when it is taken to: A hill
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
One atmosphere is equivalent to 1,00,000 newton force acting on one square metre.
As we go from the equator of the earth to pole of the earth, the value of acceleration due to gravity ______.
Give Reason for the following
Our ears pop in Airplanes.
