Science, asked by bunny8161, 11 months ago


13. Why is the height of the mercury column nearly 76cm in the tube?

Answers

Answered by mchlspatricia
1

Answer:

Under normal circumstances the column of mercury in the glass tube stands at a height of about 30 in (76 cm) . The column is sustained because air pressure pushes down on the surface of the mercury in the bowl at the bottom of the barometer.

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