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

If volume of the gas doubled without changing its temperature the pressure of the gas is

Question # 2

Two stem engine A and B have their sources at 900 K and 600 K and their sinks are at 450 K and 300 K respectively.

Question # 3

If the pressure in a closed vessel is reduced by drawing some gas the mean free path of the gas molecules.

Question # 4

In an isochoric process.

Question # 5

Temperature of a system remains constant in

Question # 6

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

Question # 7

The transfer of thermal energy between regions of matter due to a temperature gradient is called.

Question # 8

First law of thermodynamics is a

Question # 9

The heat accepted and rejected by a Carnot engine operating between two heat reservoirs defines.

Question # 10

Significant motion for the molecules of a monoatomic gas is.

Question # 11

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

Question # 12

A frictionless heat engine can be 100% efficient only if its exhaust temperature is

Question # 13

What type of process is the Carnot's cycle.

Question # 14

What happens to Carnot efficiency if the source temperature increases.

Question # 15

Identify the irreversible process

Question # 16

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

Question # 17

The phenomenon of Brownian motion shows that

Question # 18

Andrews isothermal helps to messure

Question # 19

Which statement about convection is correct.

Question # 20

By definition a gas is said to be have undergone adiabatic compressing when

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 In which thermodynamic process enthalpy of the system remains constant.
A. Isenthalpic process
B. Isolated process
C. Isobaric process
D. Isochoric process
2 On what factor the internal energy of a thermodynamic system depend upon.
A. History
B. State
C. Process
D. Surroundings
3 The ratio of specific heat capacity to motor heat capacity of a body
A. Is a universals cantante
B. Depends upon the mass of the body
C. Depends upon the molecular weight of the body
D. Is dimensionless
4 In which temperature range water decreases in volume with increasing temperature.
A. From 0 oC to 4 oC
B. from 0 oC to 10 oC
C. from 50 oC to 100 oC
D. from 75 oC to 100 oC
5 Which of the following is the science of measuring the heat of chemical reactions or physical changes.
A. Thermometry
B. Calorimetry
C. Telemetry
D. Photometry
6 In onw cycle of a steam engine there are how many dead centres.
A. 1
B. 2
C. 3
D. zero
7 The ideal thermal efficiency of a cyclic heat engine is limited by
A. Friction in the engine
B. Amount of heat in the engine
C. Difference between input temperature and output temperature.
D. Amount of work
8 How much lce will melt by 50,000 J of heat.
A. 120 J
B. 130 g
C. 140 J
D. 150 g
9 The mechanical equivalent of heat is.
A. Physical quantity
B. Constant
C. Conversion factor
D. Zero
10 Which one is the primary standard for temperature measurement.
A. Resistance thermometer
B. Mercury in glass thermometer
C. Constant volume gas thermometer
D. Pyrometer

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