NDA 2023 Physics question
An iron nail sinks in water whereas an iron ship floats. Which of the following statements is correct in this regard ? 1. Average density of ship is greater than that of the water 2. Average density of iron nail is greater than that of the water 3. Average density of the ship is less than that of the water 4. Average density of the ship is equal to that of the water Select the correct answer using the code given below :
Answer: (B)
Solution
A body sinks if its average density is greater than that of the liquid and floats if it is less. The solid iron nail is denser than
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