How does the atmospheric pressure vary as we go up?
it increases
it decreases
none
it remains same
A
it decreases
B
none
C
it increases
D
it remains same
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Solution
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Following are the reasons due to which the the atmospheric pressure vary as we go up:
1) Density - The denser the air is, the more molecules there are in that given space. It's like the difference between having a large party packed into a tiny living room versus having that same large group of people in a big recreation hall. The denser the air, the more collisions there are between molecules because there is less room for them to avoid running into each other, so we get more air pressure.
2) Altitude(Height)- Pressure decreases with increase in altitude and pressure increases with increase in depth.
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