MDCAT Physics Chapter 8 MCQ Test With Answer for (Heat and Thermodynamics)

If you are looking for the MCQs of Chapter 8 of Physics, then you are on the right platform. The candidates can check the MCQs from this platform to prepare for the entry test. MDCAT is the MCQs-based test in which the students have to solve the given questions in the provided time.

MCQ's Test For MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test

Try The MCQ's Test For MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test

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MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test

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Question # 1

In the theory of dimensional analysis, heat may be properly represented by:

Question # 2

In which process the change in internal energy of the system is zero:

Question # 3

In which process, the change in internal energy of the system of zero:

Question # 4

Petrol engine coverts ____________ of available heat energy into work.

Question # 5

If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be:

Question # 6

Tick which of the following is not state variable:

Question # 7

The pressure exerted on the walls on the vessel by gas molecules is defined as:

Question # 8

If P is the pressure and V is the volume, Then PV will represent:

Question # 9

When a gas is compressed:

Question # 10

Change in momentum per second is:

Question # 11

Truth of kinetic energy theory is confirmed by:

Question # 12

A gas which strictly obeys the gas laws under all conditions of temperatures and pressure is called:

Question # 13

No entropy change is associated with:

Question # 14

Steam engine is:

Question # 15

When two objects come to common temperature, the body is said to be in:

Question # 16

Pressure may be defined as_____per second per unit area:

Question # 17

The equation PVr = Constant applies to:

Question # 18

In an ideal gas, the molecules have:

Question # 19

Carnot engine is ____________ heat engine.

Question # 20

The value of universal gas constant R is:

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The students preparing for the MDCAT must solve the questions before appearing in the entry test. By solving the MCQs, the students can have a better understanding of the topic, and they can ace the test with maximum marks. The students should solve all the provided MCQs. Moreover, the answers are also given to facilitate the students to cross-check after solving the MCQs. It is mandatory to prepare all the topics included in this chapter thoroughly. Stay in touch with us to get more updates about the preparation material for MDCAT.

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MCAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Which of the following does not have the same units:
A. Work
B. Heat
C. Kinetic energy
D. Power
2 In an ideal gas, the molecules have:
A. Kinetic energy only
B. Potential energy only
C. Both KE and PE
D. None of these
3 No entropy change is associated with:
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them
4 Diesel engine coverts ____________ of available heat energy into work.
A. 20% to 25%
B. 25% to 30%
C. 30% to 35%
D. 35% to 40%
5 Absolute zero is considered as that temperature at which:
A. All liquids become gases
B. All gases become liquids
C. Water freezes
D. None of these
6 The temperature at which all the gases become liquid is called:
A. 273 K
B. -273 K
C. Absolute Zero
D. Both (B) and (C)
7 Pressure may be defined as_____per second per unit area:
A. Change in force
B. Change in momentum
C. Change in energy
D. Work done
8 The equation PVr = Constant applies to:
A. Isothermal process
B. Adiabatic process
C. Isobaric process
D. None of these
9 The efficiency of a practical heat engine:
A. Can be 100%
B. Can not be 100%
C. Is always Zero
D. None of these
10 Only those processes are probable to take place for which entropy os the system:
A. Increases
B. Remains constant
C. Both A and B are correct
D. None of above

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