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

Real gases strictly obey gas laws at:

Question # 2

A process in which no heat enters or leaves the system is called.

Question # 3

For a gas obeying Boyle's law, if the pressure is doubled the volume becomes:

Question # 4

The equation W = ________𝜟U represents:

Question # 5

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

Question # 6

The efficiency of a particle heat engine:

Question # 7

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

Question # 8

Absolute zero is considered as that temperature at which:

Question # 9

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

Question # 10

The ideal gas obey gas law at:

Question # 11

Petrol engine coverts ____________ of available heat energy into work.

Question # 12

A certain engine coverts 20% of available heat energy into work. Then its efficiency will be:

Question # 13

The relationship between Boltzmann constant K with R and NAis given as:

Question # 14

According to boyle's law, volume of a given mass of a gas is

Question # 15

The temperature scale approved in SI units is:

Question # 16

Pressure may be defined as_____per second per unit area:

Question # 17

The motion of molecules in gases i:

Question # 18

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

Question # 19

The value of universal gas constant R is:

Question # 20

At constant temperature, if the density of the gas is increased, its pressure will:

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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 If the temperature difference between hot and cold body is greater the heat engine is:
A. Not efficient
B. Less efficient
C. More efficient
D. NOne of above
2 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
3 In the theory of dimensional analysis, heat may be properly represented by:
A. ML2T-2
B. MT-2
C. ML-1T-1
D. None of these
4 The only significant motion possessed by the mono-atomic gas molecules is:
A. Translatory
B. Rotatory
C. Vibratory
D. None of these
5 The efficiency of a practical heat engine:
A. Can be 100%
B. Can not be 100%
C. Is always Zero
D. None of these
6 A process which is carried at constant temperature and Boyle's law can be applied is called:
A. Adiabatic process
B. Isothermal process
C. Isochoric process
D. None of these
7 The value of universal gas constant R is:
A. 8.314 J/K mole K
B. 8314 J/ mole K
C. 8.314 J/ mole K
D. None of these
8 In an ideal gas, the molecules have:
A. Kinetic energy only
B. Potential energy only
C. Both KE and PE
D. None of these
9 When heat is added to the system, the entropy change is:
A. Positive
B. Negative
C. Zero
D. None of these
10 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

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