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

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PPSC Physics Topic 3 Thermal Properties of Matter

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Question # 1

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

Question # 2

A standard fixed point for calibrating a thermometer is.

Question # 3

A Carnot engine has the same efficiency between (i) 100 K and 500 K and ii) T and 900 K What will be T.

Question # 4

A cup of coffee at 80 oC is left to cool to 30 oc if the heat capacity of the cup and coffee is 2.0 kJ k-1 how much heat is released during the cooling.

Question # 5

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

Question # 6

A perfect gas is one whose

Question # 7

Contrivances for converting heat into work are called.

Question # 8

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

Question # 9

The highest efficiency of a heat engine whose low temperature is 17 oC and the high temperature of 200 oC is.

Question # 10

When ever a system is made to complete a cyclic process the work done during the complete cycle.

Question # 11

The specific heat of liquid

Question # 12

What is the internal energy of a mono atomic ideal gas.

Question # 13

In a vacuum flask the vacuum prevents heat transfer by

Question # 14

The specific heat of a substance is a function of its

Question # 15

When a perfect gas is supposed to expand freely in an isolated vessel the gas has undergone.

Question # 16

Internal energy of a gas decreased when

Question # 17

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

Question # 18

When heat a supplied to a metallic sphere which one of the following changes will occur.

Question # 19

The base unit of temperature in SI is

Question # 20

Gases exert pressure on walls of the vessels because gas molecules.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The internal inertia of a thermodynamics system is known as.
A. Enthalpy
B. Entropy
C. Isotherm
D. Adiabatic
2 An immersion heater rated at 150 W is fitted into a large block of ice at 0 oC. The specific latent heat of fusionism 300 J g-1. How long does it take to melt 10 g of ice.
A. 5 s
B. 10 s
C. 15 s
D. 20 s
3 On which parameter, the heat capacity of a material depends upon.
A. Density of the material
B. Specific heat of the material
C. Temperature of the material
D. Structure of the material
4 A heat engine can develop efficiency equal to 100% if the temperature of the sink is
A. Less than that of source
B. Equal to that of source
C. 0 K
D. 0 oC
5 When a liquid is hated retaining its liquid sate then its molecules gain.
A. K.E.
B. P.E
C. Heat energy
D. Chemical energy
6 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
7 In ideal gas equation PV = nRT , R is
A. Universal gas constant
B. Avogadro's number
C. Plank's constant
D. Gravitational constant
8 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
9 Andrews isothermal helps to messure
A. Boiling point
B. Boyle's temperature
C. Temperature of inversion
D. Critical temperature
10 If a gas does 10 J of external work white expanding then the change in internal energy is equal to.
A. 0 J
B. 10 J
C. -10 J
D. 100 J

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