Multiple Choice Questions on Assertion A A beaker filled with water at 4 deg C overflows if the temperature is decreased or incre........... for General Studies (Level 1) Preparation

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Multiple Choice Questions

Assertion A A beaker filled with water at 4 deg C overflows if the temperature is decreased or incre...........

General Science (Easy) Physics
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    Assertion (A) : A beaker filled with water at 4°C overflows if the temperature is decreased or increased.

    Reason (R) : Density of water is maximum at 4°C.

    Both A and R are true and R is the correct explanation of A

    Correct Answer

    Both A and R are true but R is not a correct explanation of A

    Incorrect Answer

    A is true but R is false

    Incorrect Answer

    A is false but R is true

    Incorrect Answer
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    Explanation:

    Both A and R are true and R is the correct explanation of A

    -Water has maximum density at 4°C, so if the water is heated above 4°C or cooled below 4°C density decreases i.e. volume increases. In other words, it expands so it overflows in both the cases.

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