Question
Medium
Solving time: 5 mins
Consider a small surface area of at the top of a mercury drop of radius . Find the force exerted on this area
(a) by the air above it
(b) by the mercury below it and
(c) by the mercury surface in contact with it.
Atmospheric pressure and surface tension of mercury . Neglect the effect of gravity. Assume all numbers to be exact.
Text solutionVerified
Given:
Surface area of mercury drop,
Radius of mercury drop,
Atmospheric pressure,
Surface tension of mercury,
(a) Force exerted by air on the surface area;
(b) Force exerted by mercury below the surface area:
Pressure
(c) Force exerted by mercury surface in contact with it:
Surface area of mercury drop,
Radius of mercury drop,
Atmospheric pressure,
Surface tension of mercury,
(a) Force exerted by air on the surface area;
(b) Force exerted by mercury below the surface area:
Pressure
(c) Force exerted by mercury surface in contact with it:
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Question Text | Consider a small surface area of at the top of a mercury drop of radius . Find the force exerted on this area (a) by the air above it (b) by the mercury below it and (c) by the mercury surface in contact with it. Atmospheric pressure and surface tension of mercury . Neglect the effect of gravity. Assume all numbers to be exact. |
Updated On | May 5, 2022 |
Topic | Mechanical Properties of Solids |
Subject | Physics |
Class | Class 11 |
Answer Type | Text solution:1 Video solution: 2 |
Upvotes | 283 |
Avg. Video Duration | 5 min |