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What is the pressure inside a drop of mercury of radius 3.00 mm at room temperature? Surface tension of mercury at that temperature `(20^@ C)` is `4.65xx10^-1 N. m^-1`. The atmospheric pressure is `1.01xx10^5 Pa.` Also give the excess pressure inside the drop.

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Excess pressure 310 Pa, total pressure `1.0131xx10^5 Pa`
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CHHAYA PUBLICATION-VISCOSITY AND SURFACE TENSION-EXERCISE (PROBLEM SET-II)
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  15. When a capillary tube is dipped in water, water rises up to a height o...

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  16. A U-tube is made up of two capillary tubes of bores 1 mm and 2 mm. The...

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  17. In a capillary tube water rises up to a certain height and the upward ...

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  18. What is the pressure inside a drop of mercury of radius 3.00 mm at roo...

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