Question 44

A stone is tied to a spring balance. Under which of the following conditions the reading on spring balance will show the least weight?

Solution

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A stone is tied to a spring balance. When the stone is completely submerged in the water in a beaker, the reading on spring balance will show the least weight. This is because the water will exert buoyant force on the stone equivalent to the weight of the stone, for which it will show the minimum reading on the spring balance.

Option B is correct.

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