importance of mercury barometer
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A mercury barometer serves as a balance. The weight of mercury present in the device balances the weight of the atmosphere at a given place. The atmospheric pressure cannot be measured on a balancing scale due to the presence of air on both the scales.
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A mercury barometer serves as a balance. The weight of mercury present in the device balances the weight of the atmosphere at a given place. The atmospheric pressure cannot be measured on a balancing scale due to the presence of air on both the scales.
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