FSC Physics MCQs Part 1 Physics Part 2 HSSC Pre Medical Pre Engineering text Book Questions first year and second-year Physics mcqs

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Temperature is a property which determines
A. How much heat a body contains B. Whether a body will feel hot or cold to touch
C. In which direction heat will flow between two systems D. How much total absolute energy a body has
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[explanation]C[/explanation]
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We prefer mercury as a thermometric substance because
A. Over a wide range of temperature its expansion is uniform B. It does not stick to thermometer glass
C. It opaque to light D. All of above
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[explanation]D[/explanation]
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In a clinical thermometer the mercury in the capillary tube does not contract once removed from the patient because
A. Mercury takes a long time to contract B. The amount of mercury use is very small
C. The capillary tube has a small constriction near the bulb D. The capillary tube is very narrow
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[explanation]C[/explanation]
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The size of one degree of Celsius is equal to
A. One degree of Fahrenheit scale B. 1.8 degrees of Fahrenheit scale
C. 3.2 degrees of Fahrenheit scale D. 2.12 degrees of Fahrenheit scale
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[explanation]B[/explanation]
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Which one is true for internal energy?
A. It is sum of all forms of energies associated with molecules of a system B. It is a state function of a system
C. It is proportional to transnational K.E of the molecules D. All are correct
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[explanation]D[/explanation]
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Which one is not an example of adiabatic process ?
A. rapid escape of air from a burst tyre B. rapid expansion of air
C. conversion of water into ice in refrigerator D. cloud formation in the atmosphere
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[explanation]C[/explanation]
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If the pressure of a given gas is held constant its density is inversely proportional to its absolute temperature. We can refer it as another statement of
A. Boyles law B. Charles law
C. Ideal gas law D. Avagadros law
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[explanation]B[/explanation]
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The area enclosed by the curve ABCDA for a Carnot heat engine represents the work done by Carnot engine
A. at any instant B. averagely
C. during its operation D. during one cycle
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[explanation]D[/explanation]
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Which of the following properties of molecules of a gas is same for all gases at particular temperature?
A. momentum B. mass
C. velocity D. kinetic energy
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[explanation]D[/explanation]
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Adiabatic process is also called
A. Heat exchange process B. Heating process
C. Isentropic process D. All of the above
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[explanation]C[/explanation]
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