The atmospheric pressure at earth's surface is $P_{1}$ and inside mine is $P_{2}$ . They are related as

P_{1} = P_{2}

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P_{1} > P_{2}

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P_{1} < P_{2}

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P_{2} = 0

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Solution

The correct option is C $P_{1} < P_{2}$
As we know that the atmospheric pressure decreases with altitude.
So, as the mine is at a lower altitude than the earth surface, therefore atmospheric pressure at the earths surface is less than that at the mine.

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The atmospheric pressure at earth surface is $P_{1}$ and inside a mine is $P_{2}$ . They are related as :
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(b) $P_{1} > P_{2}$
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(d) $P_{2} = 0$

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The atmospheric pressure at earth's surface is P1 and inside mine is P2. They are related as

The correct option is C P1<P2As we know that the atmospheric pressure decreases with altitude.So, as the mine is at a lower altitude than the earth surface, therefore atmospheric pressure at the earths surface is less than that at the mine.

The atmospheric pressure at earth's surface is $P_{1}$ and inside mine is $P_{2}$ . They are related as

The correct option is C $P_{1} < P_{2}$
As we know that the atmospheric pressure decreases with altitude.
So, as the mine is at a lower altitude than the earth surface, therefore atmospheric pressure at the earths surface is less than that at the mine.