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

00:00
Question # 1

Steam engine is:

Question # 2

One degree of thermodynamics scale of temperature is called:

Question # 3

Most motorbikes have ____________ cylinder/s engine but cars usually have _________ cylinders on the same crankshaft.

Question # 4

A process which is carried at constant temperature and Boyle's law can be applied is called:

Question # 5

The value of universal gas constant R is:

Question # 6

The rate of change of momentum of a molecule is equal to:

Question # 7

Which of the following does not have the same units:

Question # 8

When a gas is compressed:

Question # 9

Pressure may be defined as_____per second per unit area:

Question # 10

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

Question # 11

While dealing with the processes i thermodynamics, the working substances is usually:

Question # 12

Thermal radiations are a type of:

Question # 13

The temperature scale approved in SI units is:

Question # 14

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

Question # 15

Tick which of the following is not state variable:

Question # 16

The only significant motion possessed by the mono-atomic gas molecules is:

Question # 17

Absolute zero is considered as that temperature at which:

Question # 18

Petrol engine coverts ____________ of available heat energy into work.

Question # 19

The equation PVr = Constant applies to:

Question # 20

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

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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 Petrol engine coverts ____________ of available heat energy into work.
A. 20% to 25%
B. 25% to 30%
C. 30% to 35%
D. 35% to 40%
2 When a gas is compressed:
A. Its internal energy decreases
B. Its temperature decreases
C. Its temperature increases
D. None of these
3 Thermal radiations are a type of:
A. Mechanical waves
B. Electromagnetic waves
C. Alpha rays
D. Electrons
4 At constant temperature, if the density of the gas is increased, its pressure will:
A. Decrease
B. Increase
C. Remain unchanged
D. None of these
5 The law of thermodynamics which discusses the condition under which heat energy is converted into and equivalent amount of work is:
A. 1st
B. 2nd
C. 3rd
D. None of these
6 When heat is added to the system, the entropy change is:
A. Positive
B. Negative
C. Zero
D. None of these
7 The rate of change of momentum of a molecule is equal to:
A. Pressure
B. Work
C. Density
D. Force
8 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
9 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
10 If temperature of the sink is decreased, efficiency of a carnot engine.
A. Remains constant
B. Decreases
C. Increases
D. None of these

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