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

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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Truth of kinetic energy theory is confirmed by:

Question # 8

Real gases strictly obey gas laws at:

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

Absolute zero is considered as that temperature at which:

Question # 13

The equation W = ________𝜟U represents:

Question # 14

Brownian motion confirms the truth of :

Question # 15

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

Question # 16

Carnot cycle is:

Question # 17

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

Question # 18

Carnot engine is ____________ heat engine.

Question # 19

The ideal gas obey gas law at:

Question # 20

No of spark plugs needed in diesel 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 Tick which of the following is not state variable:
A. Heat energy
B. Pressure
C. Entropy
D. Volume
2 The efficiency of a particle heat engine:
A. can be 100%
B. Cannot be 100%
C. Is always zero
D. None of these
3 Absolute zero is considered as that temperature at which:
A. All liquids become gases
B. All gases become liquids
C. Water freezes
D. None of these
4 If temperature of the sink is decreased, efficiency of a carnot engine.
A. Remains constant
B. Decreases
C. Increases
D. None of these
5 Brownian motion confirms the truth of :
A. Wave theory of light
B. Boyle's law
C. Kinetic theory of gases
D. Adiabatic process
6 Which of the following does not have the same units:
A. Work
B. Heat
C. Kinetic energy
D. Power
7 The number of molecules in one mole of gas is equal to:
A. Avogadro number NA
B. Gas constant R
C. Boltzmann constant k
D. None of these
8 The motion of molecules in gases i:
A. Orderly
B. Random
C. Circular
D. All of these
9 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
10 Thermal radiations are a type of:
A. Mechanical waves
B. Electromagnetic waves
C. Alpha rays
D. Electrons

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