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Excess pressure can be () for
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i. Excess pressure inside a spherical liquid drop , because there is only one free surface here
ii. In case of spherical meniscus of radius of curvature , also excess pressure because again there is only one free surface.
iii. Excess pressure inside a cylindrical drop of radius . Hence, for a cylindrical bubble in air, excess pressure is , because there exist two free surfaces in this case.
iv. For a spherical bubble in water, excess pressure , as there is only one free surface.
Hence, all the four options are correct.
ii. In case of spherical meniscus of radius of curvature , also excess pressure because again there is only one free surface.
iii. Excess pressure inside a cylindrical drop of radius . Hence, for a cylindrical bubble in air, excess pressure is , because there exist two free surfaces in this case.
iv. For a spherical bubble in water, excess pressure , as there is only one free surface.
Hence, all the four options are correct.
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| Question Text | Excess pressure can be () for |
| Topic | Mechanical Properties of Fluids |
| Subject | Physics |
| Class | Class 11 |
| Answer Type | Text solution:1 |
| Upvotes | 141 |
