Why does atmospheric pressure at a height of about 6 km decrease to nearly half of its value at sea level, despite the atmosphere's height being more than 100 km?

Question

Why does atmospheric pressure at a height of about 6 km decrease to nearly half of its value at sea level, despite the atmosphere's height being more than 100 km?, Because air density decreases with increasing altitude, leading to lower atmospheric pressure., Due to the presence of ozone layer, which reduces pressure in the upper atmosphere., It is a result of the Earth's magnetic field affecting pressure distribution., Atmospheric pressure remains constant throughout the atmosphere, and the given statement is incorrect.

MARKS App · Accepted Answer

Correct Option is : (A) Because air density decreases with increasing altitude, leading to lower atmospheric pressure.

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