## First Law of Thermodynamics - MCQ - Advance Level

Physics is an important subject in preparation for various Competitive exams. To keep a track of your preparation we have designed a small quiz of Advance Level Questions on First Law of Thermodynamics. You have 10 minutes to solve the quiz, click the start timer button in order to start the timer and then click on submit button at the end to submit the quiz and view your scores and correct answers.

Q1.  A thermally insulated chamber of volume 2V0 is divided by a frictionless piston of area S into two equal parts A and B. Part A has an ideal gas at pressure P0 and temperature T0 and in part B is vacuum. A massless spring of force constant k is connected with piston and the wall of the container as shown. Initially spring is unstretched. Gas in chamber A is allowed to expand. Let in equilibrium spring is compressed by x0. Then

•  Final pressure of the gas is kx0/S
•  Work Done by the gas is 1/2(kx02)
•  Change in internal energy of the gas is 1/2(kx02)
•  All of the above

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