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Physics Fsc Part 1 Chapter 6 Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | Thermodynamics mostly deals with.
|
<p> Measuremetn of quantity</p> <p> </p> <p> Transfer of quantity of heat</p> <p> </p> <p> Change of state</p> <p> </p> <p> Conversion of heat to other forms of energy</p> <p> </p> |
| 2 | In an adiabatic process, there is no.
|
<p> Change in temperature</p> <p> </p> <p> Exchagne of heat</p> <p> </p> <p> Chagne is internal energy </p> <p> </p> <p>Work done</p> <p> </p> |
| 3 | What happens to internal energy of an object when its temperature.
|
<p>Decreses</p> <p> Increases</p> <p>I</p> <p> Fluctuates</p> <p> </p> <p>Remains Constant</p> <p> </p> |
| 4 | Entropy of a system in reversibel process |
<p>Fluctuates</p> <p>Increases</p> <p>Is infinite</p> <p>Decrease</p> |
| 5 | When th systme is expanded by additing heat energy, then the work done will be |
<p>Postive and on the system</p> <p>Negative and on the system</p> <p>Postive and by the system</p> <p>Negative and by the system</p> |
| 6 | When two obnects are made in thermal contact heaving same temperature then they are at. |
<p>Thermal Equilibrium</p> <p>Chemical equilibrium</p> <p>Mechanicla Equilibrium</p> <p>Physical Equilibrium</p> |
| 7 | A device which covnerts thermal eergy into mechanical energy is called. |
<p>Turbine</p> <p>Heat engine</p> <p>Carnot engine</p> <p>Rerigerator</p> |
| 8 | First law of thermodynamics is based upon law of conservatio of. |
<p>Mass</p> <p>Momentum</p> <p>Energy</p> <p>Charge</p> |
| 9 | In an isothermal chagne, internal energy. |
<p>Decrease </p> <p>Increase</p> <p>Remain same</p> <p>Becomes zero</p> |
