A) it is easier to lift block at \[0{}^\circ C\]
B) it is easier to lift block at room temperature
C) it is easier to lift block at \[4{}^\circ C\]
D) lifting block is equally difficult at every temperature
Correct Answer: C
Solution :
Density of water is maximum at \[4{}^\circ C\]. So, upthrust is maximum at \[4{}^\circ C\].
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