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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Waqar Ali 20 - Dec - 2023 13 Min 24 Sec 15/20
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Rumaisah 26 - Dec - 2023 10 Min 39 Sec 12/20

PPSC Physics Chapter 3 Important MCQ's

Sr.#	Question	Answer
1	The temperature which is the same in ^oC and ^oF is.	A. -20 B. -40 C. 20 D. 40
2	Which of the following pairs represent units of the same physical quantity.	A. Kelvin and joule B. Kelvin and calrorie C. Newton and calorie D. Joule and calorie
3	Difference between Cp and Cv is equal to	A. General gas constant B. Planck's conatant C. Molar gas constant D. Boltzmann's constant
4	The amount of heat needed per unit mass to raise the temperature of a system one degree at constant pressure is numerically aqual to	A. The specific heat B. The specific thermal energy C. The specific heat at constant pressure D. the internal energy of the gas
5	Efficiency of a Carnot engine can never be 1 or 100% unless cold reservoir is at absolute temperature.	A. 0 K B. 100 K C. 273 K D. 373 K
6	Pressure of a gas depends upon	A. Only on the molecular speed B. Only on the speed of molecules on a unit volume C. Only on the mass of molecules D. Number of molecules mass and speed in a unit volume
7	The phenomenon of Brownian motion shows that	A. Molecules exist and can be seen as bright dots moving about B. Molecules moves about randomly at highs speeds C. Smoke particles behaves as molecules D. Smoke particles can be used as models of air molecues.
8	What is the mean free path in a gas.	A. The distance travelled by a molecule before hitting a wall B. the average distance travelled by a molecule in one second C. the average distance travelled by molecules in one second D. The root mean square velocity
9	On which parameter internal energy of an ideal gas depends upon.	A. Volume B. Mass C. Pressure D. Temperature
10	During an adiabatic gas expansion the environment	A. Serves as a heat sink B. Serves as a heat source C. Must be at a higher temperature than the gas D. Does not have to participate

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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

A Carnot engine can be 100% efficient of the sink is at.

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

In the free expansion of a perfect gas there is no.

A heat engine with 100% efficiency would have to.

Which of the following has negative specific heat

Mean free path of gas molecules is inversely proportional to its.

An ideal engine can be 100% efficient only if its exhaust temperatute.

The normal Human body temperature in Fahrenheit scale is.

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

A mercury in glass thermometer and thermocouple thermometer are both calibrated using the same fixed point of 0 oC and 100 oc when both temperature are used to measure the temperature of a body the temperature measured on both thermometers will be exactly the same

The specific heat of all gases increases with temperature at high temperature decreases at low temperature expectation is

Which of the following phenomenon gives evidence of the molecular structure of mater

Which thermodynamic law state taht the entropy of a perfect system approaches zero.

What is the mean free path in a gas.

Efficiency of a Carnot engine depends on

The mechanical equivalent of heat

The expression PV/KT represents.

In ideal gas equation PV = nRT , R is

If the gas pressure is increased then its mean free path becomes.

During solid ficain the 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