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

If temperature of the sink is decreased, efficiency of a carnot engine.

Question # 2

Steam engine is:

Question # 3

The value of universal gas constant R is:

Question # 4

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

Question # 5

As the working substance of a heat engine completes a cycle, there is no change in:

Question # 6

Diesel engine coverts ____________ of available heat energy into work.

Question # 7

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

Question # 8

Number of spark plugs needed in diesel engine is:

Question # 9

The number of molecules in one mole of gas is equal to:

Question # 10

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

Question # 11

In an ideal gas, the molecules have:

Question # 12

The efficiency of a particle heat engine:

Question # 13

The temperature at which all the gases become liquid is called:

Question # 14

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

Question # 15

Tick which of the following is not state variable:

Question # 16

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

Question # 17

Avogadro number is known as number of molecules in:

Question # 18

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

Question # 19

Real gases strictly obey gas laws at:

Question # 20

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

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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 Carnot cycle is:
A. Reversible
B. Irreversible
C. Sometimes A, Sometimes B
D. None of these
2 No entropy change is associated with:
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them
3 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
4 Thermal radiations are a type of:
A. Mechanical waves
B. Electromagnetic waves
C. Alpha rays
D. Electrons
5 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
6 The only significant motion possessed by the mono-atomic gas molecules is:
A. Translatory
B. Rotatory
C. Vibratory
D. None of these
7 Hotness and coldness of an object is represented in terms of:
A. Heat
B. Temperature
C. Chemicial
D. None of these
8 The nature of thermal radiation is smaller to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of these
9 Which of the following does not have the same units:
A. Work
B. Heat
C. Kinetic energy
D. Power
10 Number of spark plugs needed in diesel engine is:
A. Four
B. Five
C. Six
D. None of these

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