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 actual gas can behave like an ideal gas at

Question # 2

Heat Carnot be transferred from a colder to a hotter region unless work is done This is the statement of.

Question # 3

If the temperature of the source and sink are increased by same amount the efficiency of the engine.

Question # 4

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

Question # 5

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 # 6

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

Question # 7

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

Question # 8

Which of the following is a thermodynamic temperature scale.

Question # 9

Mean free path in a gas is the

Question # 10

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 # 11

Which one of the following gases posses maximum oot mean square velocity.

Question # 12

The temperature of a certain substance in Celsius scale of temperature is 800 oC in Kelvin scale it is.

Question # 13

What is the necessary condition for Boyle's law to hold good.

Question # 14

The internal energy of monoatomic gas is.

Question # 15

Absolute zero may be regarded as the temperature of which

Question # 16

The normal Human body temperature in Fahrenheit scale is.

Question # 17

On which temperature scale a degree is 1/180 of the interval between the freezing point and the boiling point.

Question # 18

First law of thermodynamics is a

Question # 19

Mean free path of gas molecules is inversely proportional to its

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which statement about convection is correct.
A. Brownian motion is a form of convection
B. Convection occurs only in gas
C. Convection results from a density change
D. Evaporation is a form of convection
2 What is the internal energy of a mono atomic ideal gas.
A. Potential only
B. Parity kinetic and parity potential
C. Kinetic only
D. Neither kinetic nor potential
3 Which of the following devoices are used for measuring temperature.
A. Thermocouples
B. Thermistors
C. Thermometers
D. All of these
4 What is the SI unit for thermal conductivity.
A. W m-1 K-1
B. W m-2 k-2
C. W m-3 k-1
D. J kg -1 k-1
5 Contrivances for converting heat into work are called.
A. Heat pumps
B. Heat engines
C. IC engines
D. Jet engine
6 What is the represented by the area inside the Carnot cycle.
A. Heat taken to increase the body temperature.
B. Energy loss due to leakage
C. Useful work done
D. Heat rejected by the system
7 In which thermodynamic process enthalpy of the system remains constant.
A. Isenthalpic process
B. Isolated process
C. Isobaric process
D. Isochoric process
8 The efficiency of Carnot engine is
A. Less than one
B. Zero
C. Greeter than one
D. Infinite
9 Which following properties of molecules of a gas is same for all gases at a particular temperature.
A. Momentum
B. Mass
C. velocity
D. K.E.
10 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

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