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A barometer is made of glass. It contains mercury (density 13.6 × 103 kg/m3, surface tension 0.085 N/m, angle of contact 143°). The barometer scale has a least count of 1mm. If the radius of barometer tube is 0.5 mm, and height of mercury column recorded is 762 mm, what can be true atmospheric pressure

A barometer is made of glass. It contains mercury (density 13.6 × 103 kg/m3, surface tension
0.085 N/m, angle of contact 143°). The barometer scale has a least count of 1mm. If the radius of
barometer tube is 0.5 mm, and height of mercury column recorded is 762 mm, what can be true
atmospheric pressure

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Dear student

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Regards

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