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Suppose that 1 L of water is heated for ...

Suppose that 1 L of water is heated for a certain time to rise its temperature for `2^@` C. If 2L of water is heated for the same time, how much of its temperature would rise?

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At constant pressure certain quantity of water at 24^(@)C is heated. It was observed that the rise of temperature was found to be 4^(@)C per minute. Calculate the time required to rise the temperature of water to 100^(@)C at sea level by using formula.

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Knowledge Check

  • Water is heated from 0°C to 10°C then its volume

    A
    increases
    B
    first decreases and then increases
    C
    decreases
    D
    does not change.

  • Heat given to a body which raises its temperature by 1^(@)C is

    A
    water equivalent
    B
    thermal capacity
    C
    specific heat
    D
    temperature gradient

  • A perfect black body emits radiation at temperature T_(1)""^(@)K . If it is to radiate 16 times this power, its temperature T_(2) will be :

    A
    `T_(2)=16T_(1)`
    B
    `T_(2)=8T_(1)`
    C
    `T_(2)=4T_(1)`
    D
    `T_(2)=2T_(1)`.

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    Water is heated from 0^(@)C" to "10^(@)C , then its volume

    When a gas enclosed in a closed vessel was heated so as to increase its temperature by 5^(@)C , its pressure was seen to have increased by 1%. The initial temperature of the gas was nearly :

    A system absorbs 10 kJ of heat at constant volume and its temperature rises from 27^(@)C to 37^(@)C . The value of Delta U is :

    Read the following paragraph and answer the following questions. According to Kelvin Planck's statement of second law of thermodynamic no process is possible whose sole result is the adsorption of heat from a reservoir and the complete conversion of heat into work. A carnot heat engine works at temperatures 227^(@)C and 127^(@)C . It absorbs 6.0 xx 10^(4) calories of heat from the source at high temperature in each cycle. By how much the temperature of the sink be decreased so as to make efficiency of engine 50% keeping temp. of source fixed.

    Calorie is defined as the amount of heat required to raise temperature of 1 g of water by 1^(@)C and it is defined under which of the following conditions ?

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