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

When heat is added to the system, the entropy change is:

Question # 2

Change in momentum per second is:

Question # 3

Real gases strictly obey gas laws at:

Question # 4

One degree of thermodynamics scale of temperature is called:

Question # 5

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

Question # 6

The ideal gas obey gas law at:

Question # 7

Tick which of the following is not state variable:

Question # 8

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

Question # 9

No entropy change is associated with:

Question # 10

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

Question # 11

Thermal radiations are a type of:

Question # 12

Brownian motion confirms the truth of :

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

Avogadro number is known as number of molecules in:

Question # 17

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

Question # 18

Electromagnetic waves emitted by hot bodies are called:

Question # 19

The temperature at which all the gases become liquid is called:

Question # 20

Which of the following does not have the same units:

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 Most motorbikes have ____________ cylinder/s engine but cars usually have _________ cylinders on the same crankshaft.
A. Four , Six
B. One , four
C. two , five
D. None of these
2 The equation PVr = Constant applies to:
A. Isothermal process
B. Adiabatic process
C. Isobaric process
D. None of these
3 One degree of thermodynamics scale of temperature is called:
A. Celsius
B. Fahrenheit
C. Kelvin
D. Radian
4 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
5 A gas which strictly obeys the gas laws under all conditions of temperatures and pressure is called:
A. Ideal gas
B. Inert gas
C. Real gas
D. None of these
6 Thermal radiations are a type of:
A. Mechanical waves
B. Electromagnetic waves
C. Alpha rays
D. Electrons
7 The rate of change of momentum of a molecule is equal to:
A. Pressure
B. Work
C. Density
D. Force
8 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
9 Petrol engine coverts ____________ of available heat energy into work.
A. 20% to 25%
B. 25% to 30%
C. 30% to 35%
D. 35% to 40%
10 No entropy change is associated with:
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them

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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