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

Diesel engine coverts ____________ of available heat energy into work.

Question # 2

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

Question # 3

The value of universal gas constant R is:

Question # 4

When a gas is compressed:

Question # 5

The equation W = ________𝜟U represents:

Question # 6

Tick which of the following is not state variable:

Question # 7

The efficiency of a practical heat engine:

Question # 8

Electromagnetic waves emitted by hot bodies are called:

Question # 9

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

Question # 10

Steam engine is:

Question # 11

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

Question # 12

The efficiency of a particle heat engine:

Question # 13

No of spark plugs needed in diesel engine is:

Question # 14

The temperature scale approved in SI units is:

Question # 15

Number of spark plugs needed in diesel engine is:

Question # 16

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

Question # 17

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

Question # 18

The nature of thermal radiation is similar to:

Question # 19

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

Question # 20

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

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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 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
2 When heat is added to the system, the entropy change is:
A. Positive
B. Negative
C. Zero
D. None of these
3 Carnot cycle is:
A. Reversible
B. Irreversible
C. Sometimes A, Sometimes B
D. None of these
4 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
5 The ratio of output work per cycle to input energy per cycle is called:
A. Entropy
B. Internal energy
C. Efficiency
D. None of these
6 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
7 Carnot engine is ____________ heat engine.
A. A reversible
B. An irreversible
C. An ideal
D. Both A and C
8 Brownian motion confirms the truth of :
A. Wave theory of light
B. Boyle's law
C. Kinetic theory of gases
D. Adiabatic process
9 Which of the following does not have the same units:
A. Work
B. Heat
C. Kinetic energy
D. Power
10 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

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