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In cold regions in winter , rocks cr...

In cold regions in winter , rocks crack due to anomalous expansion of water .

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In cold regions, the winter rocks cracks due to anomalous expansion of water .

How will you explain following statements with the help of the anomalous behaviour of water? In cold regions in winter the pipes for water supply break and even rocks crack.

Knowledge Check

  • Assertion : Heat energy is completely transformed into work during the isothermal expansion of an ideal gas. Reason : During an isothermal process, the changes in internal energy of a gas is due to decrease in pressure is nullified by the change due to increase in volume.

    A
    If both assertion and reason are true and reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
    C
    If assertion is true but reason is false.
    D
    if both assertion and reason are false.

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    Assertion and Reason. Mark the correct choice as:Assertion : When a very hot liquid is poured into a thinck glass tumbler it cracks.Reason :Unequal expansion of the inner and outer glass walls causes the glass to crack.

    Why the size of a balloon in hot wate is incressesx compared to a balloon in cold water.

    ………….. of the Assam is under threat due to dams and indiscriminate use of water.

    Describe the anomalous expansion of water: How is it helpful in our lives?

    On a cold winter day, the atmospheric temperature is -theta (on celsius scale) which is below 0^(@)C . A cylindrical drum of height h made of a bad conductor is completely filled with water at 0^(@)C and is kept outside without any lid. Calculate the time taken for the whole mass of water to freeze. Thermal conductivity of ice is K and its latent heat of fusion is L . Neglect expansion of water on freezing.

    Water strider insect slides on the wather surface easily due to the ______ of water.

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