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!

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

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PPSC Physics Topic 3 Thermal Properties of Matter

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Question # 1

The product of mass and specific heat of a substance is called.

Question # 2

In ideal gas equation PV = nRT , R is

Question # 3

On which parameter internal energy of an ideal gas depends upon.

Question # 4

The base unit of temperature in SI is

Question # 5

The term used for heat capacity per unit mass is.

Question # 6

When a solid is melting the temperature remains constant even through heat is being supplied because the

Question # 7

In a vacuum flask the vacuum prevents heat transfer by

Question # 8

In the gas equation PV =nRT , V is the volume of.

Question # 9

The SI unit of heat capacity is.

Question # 10

What is a measure of the total energy of a thermodynamics system.

Question # 11

The internal inertia of a thermodynamics system is known as.

Question # 12

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

Question # 13

If pressure and temperature of an ideal gas is doubled and volume is halved, the number of the gas molecules.

Question # 14

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

Question # 15

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

Question # 16

Which is the heat transfer mode between an object and its environment due to circular fluid motion.

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

In four stroke cycle the crank makes

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The heat required to sublime one mole of the substance at standard temperature and pressure is called.
A. Latest heat
B. Specific heat
C. Heat of sublimation
D. Heat capacity
2 If T1 and T2 are source and sink temperature respectively Carnot efficiency is.
A. T1+T2/T1
B. T1-T2/T1
C. T1+T2/T2
D. T1-T2/T2
3 Significant motion for the molecules of a monoatomic gas is.
A. Rotatory
B. Vibratory
C. Translatory
D. Random
4 On increasing the temperature of source efficiency of Carnot engine.
A. Increase
B. Decrease
C. First increases and then decreases
D. Does not change
5 The door of an operating refrigerator in a closed room is opened after sometime the temperature of the room will be
A. Lowered
B. Raised
C. Unaffected
D. Become zero
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 efficiency of a diesel engine is about
A. 15% to 35 5
B. 355 to 40%
C. 45% to 655
D. 505 to 65 %
8 Which temperature is the absolute measure of temperature.
A. Thermodynamic temperature
B. Freezing point
C. Boiling point
D. Absolute zero
9 Which quantity is common for systems in thermal equilibrium.
A. Heat
B. Temperature
C. Momentum
D. Specific heat
10 When the temperature of source and sink of a heat engine become equal the entropy change will be.
A. Zero
B. Maximum
C. Minimum
D. Negative

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