PPSC Physics Topic 3 MCQ Test With Answer

PPSC Physics lecturer test contains questions about Thermal Properties Of Matter. This topic deals with the reaction of different states of matter when studied under different levels of thermal conditions. Learning about how different types of matter behave when exposed to different temperatures has enabled physicists and scientists to invent thousands of useful items. In the PPSC Physics online test, you can attempt the type of questions that are usually asked about Thermal Properties Of Matter in the PPSC physics test. The importance of the matter and its interaction with different conditions of temperature makes it an important concept in the understanding of the subject matter of physics.

All candidates can prepare for PPSC Physics test on our free IlmKiDunya.com online test preparation portal. By taking this test, you can expand the understanding you already have of this topic. Attempt the PPSC Physics test MCQs regarding this topic right now and test your abilities!

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PPSC Physics Chapter 3 Important MCQ's

Sr.#	Question	Answer
1	According to kinetic energy of gases one assumes that the collisions between the molecules are.	A. Perfectly elastic B. Perfectly inelastic C. Partly elastic D. Partly inelastic
2	At absolute zero of temperature.	A. The molecular energy is zero B. Molecules have translational K.E C. Molecules have rotational K.E. D. Molecules have maximum energy
3	What happens to Carnot efficiency if the source temperature increases.	A. Decreases B. Increases C. Remain the same D. Becomes zero
4	The zero point of Kelvin scale is called.	A. Critical point B. Terminal point C. Absolute zero D. Mid point
5	Certain gas are called permanent gases because.	A. They cannot be liquified B. They are perfect gases C. The critical temperatures are low D. their boiling points are low
6	The expression PV/KT represents.	A. Number of moles of the gas B. Number of molecules in the gas C. Total mass of the gas D. Density of the gas
7	The heat accepted and rejected by a Carnot engine operating between two heat reservoirs defines.	A. The efficiency of the working substance of the engine B. the ideal gas scale of temperature C. The ratio of the absolute temperature of the reservoirs D. The thermal capacity of the working substance
8	Which of the following is heat transfer by means of the emission or absorption of electromagnetic radiation such as sunshine.	A. Conduction or diffusion B. Convection C. Radiation D. Mass transfer
9	Under steady state the temperature of a body	A. Increase's with time B. Decreases with time C. Does not charge with time D. None of the above
10	What is a measure of the total energy of a thermodynamics system.	A. Entropy B. Enthalpy C. Randomness D. Chaos theory

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PPSC Physics Topic 3 MCQ Test With Answer

MCQ's Test For PPSC Physics Topic 3 Thermal Properties of Matter

PPSC Physics Topic 3 Thermal Properties of Matter

Mean free path of gas molecules is inversely proportional to its

Net change in entropy of a system in a Carnot's cycle in

A fixed mass of an ideal gas absorbs 1000 J of heat and expands under a constant pressure of 20 kPa from a volume of 25 x 10-3 m3 to a volume 50 x 10-3 The change internal energy of the gas is.

What happens to Carnot efficiency if the source temperature increases.

In a vacuum flask the vacuum prevents heat transfer by

The ideal thermal efficiency of a cyclic heat engine is limited by

if temperature eon Celsius scale is 50 oC the temperature on Fahrenheit scale will be.

What is the represented by the area inside the Carnot cycle.

In which given process does the system always return to the original thermodynamic state.

The internal inertia of a thermodynamics system is known as.

Triple point of water in Kelvin scale is

Which of the given geometries will result in the largest convection consfficient.

In an isochoric process.

For which process is the relation Delta Q = Delta V true.

A sample of an ideal gas may i) energy adiabatically, or ii) Expand isothermally. the net flow of heat into the gas from the exterior is.

Which of the following is an example of an irreversible process.

The ratio of specific heat capacity to motor heat capacity of a body

How many calories of heat are required to evaporate completely 1 g of ice at 0 oC

Mean free path in a gas is the

Efficiency of a Carnot engine can never be 1 or 100% unless cold reservoir is at absolute temperature.

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PPSC Physics Chapter 3 Important MCQ's

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How many calories of heat are required to evaporate completely 1 g of ice at 0 ^oC