Q.

Two beakers A and B of negligible coefficient of expansion are filled with water at 4∘C. Beaker ‘A’  is heated and beaker ‘B’ is cooled. Then

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a

water flows out in A, and water level falls down in B

b

water flows out in both cases

c

water level falls down in both cases

d

water level falls down in A and water flows out in B

answer is B.

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Detailed Solution

00C to 40C water expands        40C to 00C water expands  Density is maximum at 40C
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