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

Question # 2

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

Question # 3

The motion of molecules in gases i:

Question # 4

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

Question # 5

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

Question # 6

Truth of kinetic energy theory is confirmed by:

Question # 7

Change in momentum per second is:

Question # 8

Carnot engine is ____________ heat engine.

Question # 9

No entropy change is associated with:

Question # 10

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

Question # 11

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

Question # 12

The equation PVr = Constant applies to:

Question # 13

Number of spark plugs needed in diesel engine is:

Question # 14

Diesel engine coverts ____________ of available heat energy into work.

Question # 15

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

Question # 16

Brownian motion confirms the truth of :

Question # 17

The nature of thermal radiation is smaller to:

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

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

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 No entropy change is associated with:
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them
2 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
3 The temperature at which all the gases become liquid is called:
A. 273 K
B. -273 K
C. Absolute Zero
D. Both (B) and (C)
4 A certain engine coverts 20% of available heat energy into work. Then its efficiency will be:
A. 20%
B. 80%
C. 50%
D. None of these
5 Change in momentum per second is:
A. Product force and time
B. Product of pressure and area
C. Ratio of pressure and area
D. None of these
6 Number of spark plugs needed in diesel engine is:
A. Four
B. Five
C. Six
D. None of these
7 In which process the change in internal energy of the system is zero:
A. Isochoric process
B. Isobaric process
C. Adiabatic process
D. Isothermal process
8 In which process, the change in internal energy of the system of zero:
A. Isochoric process
B. isobaric process
C. Adiabatic process
D. Isothermal process
9 Avogadro number is known as number of molecules in:
A. One kg of a substance
B. Unit volume of a substance
C. One mole of a substance
D. None of these
10 When heat is added to the system, the entropy change is:
A. Positive
B. Negative
C. Zero
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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