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

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

Question # 2

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

Question # 3

Tick which of the following is not state variable:

Question # 4

Petrol engine coverts ____________ of available heat energy into work.

Question # 5

One degree of thermodynamics scale of temperature is called:

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

Avogadro number is known as number of molecules in:

Question # 11

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

Question # 12

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

Question # 13

Which of the following does not have the same units:

Question # 14

Truth of kinetic energy theory is confirmed by:

Question # 15

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

Question # 16

Electromagnetic waves emitted by hot bodies are called:

Question # 17

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

Question # 18

Most motorbikes have ____________ cylinder/s engine but cars usually have _________ cylinders on the same crankshaft.

Question # 19

Carnot cycle is:

Question # 20

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

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 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
2 Tick which of the following is not state variable:
A. Heat energy
B. Pressure
C. Entropy
D. Volume
3 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
4 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
5 Only those processes are probable to take place for which entropy os the system:
A. Increases
B. Remains constant
C. Both A and B are correct
D. None of above
6 A process in which no heat enters or leaves the system is called.
A. Adiabatic process
B. Isothermal process
C. Isochoric process
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 In the theory of dimensional analysis, heat may be properly represented by:
A. ML2T-2
B. MT-2
C. ML-1T-1
D. None of these
9 Steam engine is:
A. An optical system
B. A thermal system
C. A thermodynamic system
D. None of these
10 Number of spark plugs needed in diesel engine is:
A. Four
B. Five
C. Six
D. None of these

Test Questions

Share your comments & questions here

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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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