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

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

  • Total Questions20

  • Time Allowed20

PPSC Physics Topic 3 Thermal Properties of Matter

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Question # 1

Diffusion of gases occurs because the molecules of the

Question # 2

The normal Human body temperature in Fahrenheit scale is.

Question # 3

What is the triple point of water.

Question # 4

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

Question # 5

Which of the following is the ideal gas equation.

Question # 6

The gas temperature is increased from 27 oC to 127 oC What is the ratio of mean kinetic energies.

Question # 7

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.

Question # 8

What is the heat required in Kilo joules when the temperature of 100 g of copper is raised thgough 20 K/. Specific heat capacity of copper is 0.4 x 10-3 kg -1 k-1

Question # 9

The pressure of a gas is directly proportions to

Question # 10

In order of a cyclic heat engine operating between two heat reservoirs to be as efficient as a Carnot engine. It must be.

Question # 11

At absolute zero of temperature.

Question # 12

Which of the following is heat transfer by means of the emission or absorption of electromagnetic radiation such as sunshine.

Question # 13

Contrivances for converting heat into work are called.

Question # 14

The process in which a system undergoes a change of state at constant volume.

Question # 15

Why an even Carnot engine Carnot give 100% efficiency.

Question # 16

Why freezer a refrigerator is located in the top section

Question # 17

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

Question # 18

The change in entropy for any reversible cycle is identically

Question # 19

The specific heat of an ideal gas values as

Question # 20

What is the amount of mechanical work done to melt 1 g of ic completely

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 In onw cycle of a steam engine there are how many dead centres.
A. 1
B. 2
C. 3
D. zero
2 Which of the following is an example of an irreversible process.
A. Isothermal and adiabatic process
B. Melting of ice
C. Work done against friction
D. Pettier effect
3 The temperature of 1 kg of hydrogen gas is the same as that of 1 kg of helium gas if.
A. The gases have the same internal energy
B. The gas molecules occupy equal volumes
C. The gas molecules have the same root mean square speed
D. The gas molecules have same mean translational K.E.
4 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
5 In general work done on or by a gas depends on.
A. The initial state only
B. The final state only
C. The initial and final states
D. The initial state the final state and the path
6 The specific heat of a substance is a function of its
A. mass
B. Weight
C. Volume
D.
Molecular structure
7 The internal energy of monoatomic gas is.
A. 3/2 RT
B. Independent of temperature
C. In the form of K.E.
D. Partially kinetic and partially potential
8 Specific heat a different substances varies becouse of
A. Same number of molecules in unit mass
B. Different number of molecules in unit mass
C. Different K.E. of molecules in unit mass
D. Same K.E. of molecules in unit mass
9 On what factor the internal energy of a thermodynamic system depend upon.
A. History
B. State
C. Process
D. Surroundings
10 The term used for heat capacity per unit mass is.
A. Latent heat
B. Specific heat
C. Energy density
D. Specific energy

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