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

The motion of molecules in gases i:

Question # 3

Tick which of the following is not state variable:

Question # 4

Avogadro number is known as number of molecules in:

Question # 5

The nature of thermal radiation is similar to:

Question # 6

If the temperature difference between hot and cold body is greater the heat engine is:

Question # 7

The equation W = ________𝜟U represents:

Question # 8

Number of spark plugs needed in diesel engine is:

Question # 9

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

Question # 10

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

Question # 11

Pressure may be defined as_____per second per unit area:

Question # 12

The law of thermodynamics which discusses the condition under which heat energy is converted into and equivalent amount of work is:

Question # 13

The nature of thermal radiation is smaller to:

Question # 14

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

Question # 15

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

Question # 16

No entropy change is associated with:

Question # 17

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

Question # 18

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

Question # 19

In an ideal gas, the molecules have:

Question # 20

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

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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 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
2 No entropy change is associated with:
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them
3 The motion of molecules in gases i:
A. Orderly
B. Random
C. Circular
D. All 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 relationship between Boltzmann constant K with R and NAis given as:
A. k = RNA
B. k = R/NA
C. k = NR/NA
D. None of these
6 First law of thermodynamics is merely a statement of law of conversation of:
A. Energy
B. Angular momentum
C. Change
D. Linear momentum
7 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%
8 The equation PVr = Constant applies to:
A. Isothermal process
B. Adiabatic process
C. Isobaric process
D. None of these
9 The pressure exerted on the walls on the vessel by gas molecules is defined as:
A. Force per unit volume
B. Energy per unit area
C. mass per unit volume
D. None of these
10 The nature of thermal radiation is smaller to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of these

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