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A system has internal energy equal to E1...

A system has internal energy equal to `E_1, 450 J` of heat is taken out of it and 600 J of work is done on it. The final energy of the system will be 

A

`(E_1+ 150)`

B

`(E_1 + 1050)`

C

`(E_1 - 150)`

D

None of these

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The correct Answer is:
A
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Knowledge Check

  • If positive work is done on a system, its energy

    A
    decreases
    B
    increases
    C
    becomes zero
    D
    remains same

  • To a system 300 joules of heat is given and it - does 60 joules of work. How much does the internal energy of the system change in this process

    A
    240 Joule
    B
    156.5 Joule
    C
    `-300` Joule
    D
    `-528.2` Joule

  • A system is provided with 50 Joules of heat and the work done on the system is 10 Joules. What is the change in internal energy of the system in Joules?

    A
    60
    B
    40
    C
    50
    D
    10
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