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Question
Which of the following graph correctly shows the variation of atmospheric pressure with altitude?
Which of the following graph correctly shows the variation of atmospheric pressure with altitude?
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Solution
The correct option is A
The density of air layers is more near the earth surface and it decreases as we go higher and higher. The decrease in density with altitude is non-linear. It is rapid near the sea level (at low altitude) and is slow at higher altitude. Due to a decrease in density of air with altitude, the atmospheric pressure also decreases with altitude.
The density of air layers is more near the earth surface and it decreases as we go higher and higher. The decrease in density with altitude is non-linear. It is rapid near the sea level (at low altitude) and is slow at higher altitude. Due to a decrease in density of air with altitude, the atmospheric pressure also decreases with altitude.
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