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Statement-1: Work and Heat are two equiv...

Statement-1: Work and Heat are two equivalent form of energy.
Statement-2: Work is transfer of mechanical energy irrespective of temperature-differene whereas heat is transfer of thermal energy because of temperature difference only.

A

Statement-1 is true, statement-2 is true, statement-2 is a correct explanation for statement-1

B

Statement-1 is true, statement-2 is true, statement-2 is NOT a correct explanation for statement-1

C

Statement-1 is true, statement-2 is false

D

Statement-1 is false, statement-2 is true

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Assertion : Work and heat are two equivalent form of energy. Reason : Work is the transfer of mechanical energy irrespective of temperature difference, whereas heat is the transfer of thermal energy because of temperature difference only.

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

  • One calorie of heat energy is equivalent to approximately __ joules of mechanical energy.

    A
    0.24
    B
    4.2
    C
    0.48
    D
    2.4

  • The rate of doing work of the rate of transfer of energy is called ______.

    A
    Force
    B
    Work done
    C
    Momentum
    D
    Power

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    Temperature determines the direction of flow of heat energy.

    Thermal energy is always transferred from …….. To …….. temperatures.

    Energy transfer takes place in mechanical wave because of

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    As the temperature difference between the ends of a conductor increases the heat transfer rate by conduction?

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