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

  • Total Questions20

  • Time Allowed20

MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test

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Question # 1

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

Question # 2

What will be efficiency of carnot engine when it is operated between the temperatures 47oC and 127 oC:

Question # 3

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

Question # 4

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

Question # 5

Tick which of the following is not state variable:

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

At constant temperature, if the volume of a given mass of a gas is doubled, then the density of gas becomes:

Question # 10

A certain engine coverts 20% of available heat energy into work. Then its efficiency will be:

Question # 11

Carnot engine is ____________ heat engine.

Question # 12

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

Question # 13

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

Question # 14

Avogadro number is known as number of molecules in:

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

The ideal gas obey gas law at:

Question # 19

The pressure exerted on the walls on the vessel by gas molecules is defined as:

Question # 20

No of spark plugs needed in diesel engine is:

Prepare Complete Set Wise MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test MCQs Online With Answers


Topic Test

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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 only significant motion possessed by the mono-atomic gas molecules is:
A. Translatory
B. Rotatory
C. Vibratory
D. None of these
2 At constant temperature, if the volume of a given mass of a gas is doubled, then the density of gas becomes:
A. Double
B. Remains constant
C. Half
D. None of these
3 The temperature scale approved in SI units is:
A. Calslus scale
B. Kelvin scale
C. Fehrenhelt scale
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 Thermal radiations are a type of:
A. Mechanical waves
B. Electromagnetic waves
C. Alpha rays
D. Electrons
6 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
7 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
8 The equation W = ________𝜟U represents:
A. Thermal process
B. adiabatic process
C. Isobaric process
D. None of these
9 If the temperature difference between hot and cold body is greater the heat engine is:
A. Not efficient
B. Less efficient
C. More efficient
D. NOne of above
10 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

Test Questions

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  • Komal

    Komal

    20 Sep 2019

    Not working .nnot giving result of test

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  • Komal

    Komal

    20 Sep 2019

    Not working.not generating result

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  • Ali Gohar

    Ali Gohar

    27 Aug 2019

    👌

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  • hina

    hina

    17 Jul 2018

    satisfactory

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