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Question 76: If a fresh egg is put into a beaker filled with water, it sinks. On dissolving a lot of salt in the water, the egg begins to rise and then floats. Why?
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When a large amount of salt is dissolved in water, the density of salt solution becomes higher than pure water. It is because of its higher density, the salt solution exerts a greater upward buoyant force on the egg, making it rise and then float.
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Question Text | Question 76:
If a fresh egg is put into a beaker filled with water, it sinks. On dissolving a lot of salt in the water, the egg begins to rise and then floats. Why? |
Updated On | Nov 5, 2023 |
Topic | Gravitation |
Subject | Science |
Class | Class 9 |
Answer Type | Text solution:1 Video solution: 1 |
Upvotes | 105 |
Avg. Video Duration | 2 min |