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JEE PHYSICS MCQ: THERMODYNAMICS

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Analyzing +4 | -1
Assertion(A): In isothermal process, whole of the heat energy supplied to the body is converted into internal energy.

Reason(R): According to the first law of thermodynamics,

ΔQ=ΔU+ΔW\Delta Q=\Delta U+\Delta W
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Correct option: D
Assertion is incorrect but Reason is correct.
The correct answer is D because the assertion is incorrect (heat energy is converted into work, not internal energy in an isothermal process), but the reason (first law of thermodynamics) is correct.

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The work done in which of the following process is zero? Water is used to cool the radiators of engines in cars because A gas expand 0.25  m30.25\,\,{m^3} at constant pressure 103N/m2,{10^3}N/{m^2}, the work done is A thermodynamic process in which temperature TT of the system remains constant though other variable PP and VV may change, is called What is the slope for an isothermal process? For adiabatic processes (γ=CpCv)\left( {\gamma = \frac{{{C_p}}}{{{C_v}}}} \right)
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