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50 g of copper is heated to increase its...

50 g of copper is heated to increase its temperature by `10^(@)C`. If the same quantity is given to 10 g of water, what will be the rise in its temperature (in `.^(@)C`)?

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A calorimeter of water equivalent 10 g contains 100 g of water at 90^(@)C . On exposure to air, its temperature falls to 80^(@)C in 5 min. If the same calorimeter is filled with 50 g of an oil, the time for the same drop in temperature is 2 min. Calculate the specific heat of the oil if the rate of heat loss in both the cases is assumed to be the same.

What is the heat needed (in J) to increase the temperature of 5 g water by 1^@C ?

Knowledge Check

  • If a body and some water required the same heat for increasing the temperature of both by the same quantity then the quantity of water is called as

    A
    Latent heat
    B
    water equivalent
    C
    Thermal capacity
    D
    Specific heat

  • 5 g of unknown gas has pressure P at a temperature TK in a vessel. On increasing the temperature by 50^@C , 1 g of the gas was given out to maintain the pressure P. The original temperature was

    A
    73. K
    B
    100 K
    C
    200 K
    D
    None of these

  • 10 g of water is supplied with 420 J of energy. The rise in temperature of water is

    A
    `1^(@)C`
    B
    `4.2^(@)C`
    C
    `10^(@)C`
    D
    `32^(@)C`

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    Heat necessary to increase 1^@C temperature of 10gm water_____

    If at 0^@C temperature, 80 calorie heat is given to 1g ice then temperature would be _____

    100 g of water and 100 g of iron are heated up to the same temperature and are separately added to 50 g of water at a lower temperature, kept in two identical vessels. Compare the temperature changes in the two vessels.

    How much heat to be supplied to raise the temperature of 100 g water from 20^(@)C to the normal boilling point of water ?

    When the temperature of air is 10^(@) C , a fundamental tone of frequency 500 Hz is emitted from an open pipe . What will be the frequency if the temperature rises to 30^(@) C ?

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