What will happen to the height of the mercury column if we take a Barometer inside a deep pit/trench?

It increases

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It decreases

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Remains constant

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Not predictable.

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Solution

The correct option is A
It increases

Below the earth's surface, as we go deeper, the pressure increases. As the pressure outside the barometer increases, it starts pushing the mercury which inturn results in increase in the level of mercury column.

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What will happen to the height of the mercury column if we take a Barometer inside a deep pit/trench?

The correct option is A It increases Below the earth's surface, as we go deeper, the pressure increases. As the pressure outside the barometer increases, it starts pushing the mercury which inturn results in increase in the level of mercury column.

The correct option is A
It increases

Below the earth's surface, as we go deeper, the pressure increases. As the pressure outside the barometer increases, it starts pushing the mercury which inturn results in increase in the level of mercury column.