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 phenomenon of Brownian motion shows that

Question # 2

According to kinetic energy of gases one assumes that the collisions between the molecules are.

Question # 3

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

Question # 4

The internal energy of an isolated system

Question # 5

What is the average K.E. of gas molecules at temperature equal to K.

Question # 6

The thermal inertia of a thermodynamic system is known as its.

Question # 7

When the temperature of a body is equal to that of the surrounding then the body appears

Question # 8

The specific heat of an ideal gas values as

Question # 9

Law of increase of entropy is a result of

Question # 10

What type of process is the Carnot's cycle.

Question # 11

What happens to internal energy of a piece of lead when hammered.

Question # 12

The pressure necessary to liquify a gas at the critical temperature is called.

Question # 13

The SI unit of heat capacity is.

Question # 14

The specific heat of all gases increases with temperature at high temperature decreases at low temperature expectation is

Question # 15

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

Question # 16

If the pressure of a gas is doubled, then its thermal conductivity will

Question # 17

The ratio between the energy dissipated in some process and the heat that appears as a result is the

Question # 18

The process in which pressure of the system remains constant.

Question # 19

The term used for heat capacity per unit mass is.

Question # 20

Which statement about convection is correct.

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Sr.# Question Answer
1 Mean free path of gas molecules is inversely proportional to its.
A. Volume
B. Pressure
C. Temperature
D. Weight
2 What is world's average surface air temperature.
A. 5 oC
B. 10 oC
C. 15 oC
D. 20 oC
3 When all the systems taking part in a process are included, the entropy.
A. Decreases
B. Either remains constant of increases
C. Either remains constant or decreases
D. Remains constnat
4 The average K.E. of the molecules of an ideal gas in a closed rigid container is increased by a factor of 4 What happen to the pressure of the gas.
A. It remains the same
B. It increases by a factor of 2
C. It increases by a factor of 4
D. It increases by a factor of 8
5 Temperature of a system remains constant in
A. Adiabatic process
B. Isobaric process
C. Isothermal process
D. Isochoric process
6 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
A. For all temperatures between 0 oC and 100 o C only
B. Only are the fixed points
C. For all temperatures at all times
D. When converted to the Kelvin scale
7 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
8 A mercury thermometer has
A. Low conductivity and low thermal capacity
B. High conductivity and high thermal capacity
C. Low conductivity and high thermal capacity
D. High conductivity and high thermal capacity
9 A gas thermometer is more sensitive than a mercury thermometer because the expansion of gas for 1 o/c rise in temperature is.
A. Five times as much as mercury
B. Ten times as much as mercury
C. Twenty times as much as mercury
D. Hundred times as much as mercury
10 In a vacuum flask the vacuum prevents heat transfer by
A. Radiation only
B. Conduction only
C. Convection only
D. Conduction and convection

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