A solid metal body was immersed in pure water and then in salty water; the correct observation is *
1)It sinks more in pure water
2)It sinks more in salty water
3)It sinks at same level in both
4)It floats in both
Answers
Answer:
1)It sinks more in pure water
Answer:
The correct answer is 3) It sinks at the same level in both.
Explanation:
From the above question,
They have given :
- It sinks at the same level in both.
The buoyant force on an object in a fluid depends on the density of the fluid and the volume of the object that is immersed in the fluid. The buoyant force is equal to the weight of the fluid that the object displaces.
In the case of a solid metal body, its density will not be affected by the change in the fluid from pure water to salty water. Hence, the buoyant force will also remain constant in both fluids and the object will sink at the same level in both pure water and salty water.
- The correct observation is that the solid metal body will sink more in salty water compared to pure water.
This is because the density of salty water is higher than that of pure water, meaning that the solid metal body will feel more force due to the greater density. As a result, it will sink further in the salty water than it would in the pure water.
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