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

Carnot engine is ____________ heat engine.

Question # 2

Thermal radiations are a type of:

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

Electromagnetic waves emitted by hot bodies are called:

Question # 7

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

Question # 8

The equation PVr = Constant applies to:

Question # 9

Number of spark plugs needed in diesel engine is:

Question # 10

First law of thermodynamics is merely a statement of law of conversation of:

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

The ideal gas obey gas law at:

Question # 15

Only those processes are probable to take place for which entropy os the system:

Question # 16

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

Question # 17

Which of the following does not have the same units:

Question # 18

The nature of thermal radiation is similar to:

Question # 19

The nature of thermal radiation is smaller to:

Question # 20

Pressure may be defined as_____per second per unit area:

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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 The efficiency of a practical heat engine:
A. Can be 100%
B. Can not be 100%
C. Is always Zero
D. None of these
2 According to boyle's law, volume of a given mass of a gas is
A. Inversely proportional mass at constant pressure
B. Directly proportional to pressure at constant temprerature
C. Inversely proportional pressure at constant temprature
D. None of these
3 A certain engine coverts 20% of available heat energy into work. Then its efficiency will be:
A. 20%
B. 80%
C. 50%
D. None of these
4 Truth of kinetic energy theory is confirmed by:
A. Diffusion of gases
B. Brownian motion
C. Both A and B
D. None of these
5 As the working substance of a heat engine completes a cycle, there is no change in:
A. Internal energy
B. Pressure
C. Volume
D. All of these
6 Tick which of the following is not state variable:
A. Heat energy
B. Pressure
C. Entropy
D. Volume
7 When two objects come to common temperature, the body is said to be in:
A. Static equilibrium
B. Dynamic equilibrium
C. Thermal equilibrium
D. None of these
8 In which process, the change in internal energy of the system of zero:
A. Isochoric process
B. isobaric process
C. Adiabatic process
D. Isothermal process
9 What will be efficiency of carnot engine when it is operated between the temperatures 47oC and 127 oC:
A. Reversible
B. Irreversible
C. Sometimes A and B
D. None of these
10 The equation W = ________𝜟U represents:
A. Thermal process
B. adiabatic process
C. Isobaric process
D. None of these

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