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

00:00
Question # 1

Absolute zero is considered as that temperature at which:

Question # 2

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

Question # 3

Change in momentum per second is:

Question # 4

Thermal radiations are a type of:

Question # 5

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

Question # 6

Which of the following does not have the same units:

Question # 7

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

Question # 8

If P is the pressure and V is the volume, Then PV will represent:

Question # 9

No of spark plugs needed in diesel engine is:

Question # 10

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

Question # 11

According to boyle's law, volume of a given mass of a gas is

Question # 12

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

Question # 13

Carnot cycle is:

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

Tick which of the following is not state variable:

Question # 19

Steam engine is:

Question # 20

The temperature scale approved in SI units 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 The efficiency of a particle heat engine:
A. can be 100%
B. Cannot be 100%
C. Is always zero
D. None of these
2 The rate of change of momentum of a molecule is equal to:
A. Pressure
B. Work
C. Density
D. Force
3 Number of spark plugs needed in diesel engine is:
A. Four
B. Five
C. Six
D. None of these
4 The ideal gas obey gas law at:
A. Low tempratures and high pressures
B. High temperatures and low pressures
C. All temperatures and pressures
D. None of these
5 The equation PVr = Constant applies to:
A. Isothermal process
B. Adiabatic process
C. Isobaric process
D. None of these
6 Thermal radiations are a type of:
A. Mechanical waves
B. Electromagnetic waves
C. Alpha rays
D. Electrons
7 The equation W = ________𝜟U represents:
A. Thermal process
B. adiabatic process
C. Isobaric process
D. None of these
8 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
9 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
10 No entropy change is associated with:
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them

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