The height at which the atmosphere ceases to exist is about 80km. If the atmospheric pressure on the ground level is 760mmHg, the pressure at a height of 20km above the ground level is
a
380mmHg
b
570mmHg
c
190mmHg
d
480mmHg
Explanation
Correct Option
bVideo Explanation
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Award0001
2 years ago
Ah = A⁰( 1 - h/H)
Ah = atmospheric pressure at a given height
A⁰ = atmospheric pressure at ground level
h = is thr given height
H = karman line(the height or level at which atmospheric pressure ceases to exist
Ah = 760(1 - 20/80)
Ah = 760( 1- 0.25)
Ah = 760(0.75)
Ah = 570


Gabrielcollins
2 years ago
Bro you're amazing . Where did you actually get this formula pls
Bro that's nice.where did you actually get this formula pls








