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

The ideal gas obey gas law at:

Question # 2

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

Question # 3

Absolute zero is considered as that temperature at which:

Question # 4

When a gas is compressed:

Question # 5

The efficiency of a practical heat engine:

Question # 6

Real gases strictly obey gas laws at:

Question # 7

The equation W = ________𝜟U represents:

Question # 8

The only significant motion possessed by the mono-atomic gas molecules is:

Question # 9

Hotness and coldness of an object is represented in terms of:

Question # 10

When two objects come to common temperature, the body is said to be in:

Question # 11

Brownian motion confirms the truth of :

Question # 12

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

Question # 13

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

Question # 14

The efficiency of a particle heat engine:

Question # 15

The ratio of output work per cycle to input energy per cycle is called:

Question # 16

The nature of thermal radiation is smaller to:

Question # 17

Petrol engine coverts ____________ of available heat energy into work.

Question # 18

Which of the following does not have the same units:

Question # 19

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

Question # 20

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

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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 First law of thermodynamics is merely a statement of law of conversation of:
A. Energy
B. Angular momentum
C. Change
D. Linear momentum
2 Carnot cycle is:
A. Reversible
B. Irreversible
C. Sometimes A, Sometimes B
D. None of these
3 The motion of molecules in gases i:
A. Orderly
B. Random
C. Circular
D. All of these
4 Real gases strictly obey gas laws at:
A. High pressures and low temperatures
B. Low pressures and high temperatures
C. High pressures and & temperatures
D. None of these
5 Diesel engine coverts ____________ of available heat energy into work.
A. 20% to 25%
B. 25% to 30%
C. 30% to 35%
D. 35% to 40%
6 The equation PVr = Constant applies to:
A. Isothermal process
B. Adiabatic process
C. Isobaric process
D. None of these
7 Number of spark plugs needed in diesel engine is:
A. Four
B. Five
C. Six
D. None of these
8 The efficiency of a practical heat engine:
A. Can be 100%
B. Can not be 100%
C. Is always Zero
D. None of these
9 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
10 Hotness and coldness of an object is represented in terms of:
A. Heat
B. Temperature
C. Chemicial
D. None of these

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