NDA 2017 Physics question

If some object is weighed when submerged in water, what will happen to its weight compared to its weight in air ?

(A)Increase
(B)DecreaseCorrect
(C)Remain exactly the same
(D)Increase or decrease cannot be predicted

Answer: (B)

Solution

By Archimedes' principle, a body immersed in water experiences an upward buoyant force equal to the weight of the water it displaces. Its apparent weight is

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Question ID VK-030900