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

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Question # 1

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

Question # 2

Carnot cycle is:

Question # 3

The value of universal gas constant R is:

Question # 4

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

Question # 5

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

Question # 6

Carnot engine is ____________ heat engine.

Question # 7

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

Question # 8

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

Question # 9

Diesel engine coverts ____________ of available heat energy into work.

Question # 10

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

Question # 11

No entropy change is associated with:

Question # 12

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

Question # 13

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

Question # 14

The efficiency of a particle heat engine:

Question # 15

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

Question # 16

The nature of thermal radiation is similar to:

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

If the temperature difference between hot and cold body is greater the heat engine 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 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
2 The law of thermodynamics which discusses the condition under which heat energy is converted into and equivalent amount of work is:
A. 1st
B. 2nd
C. 3rd
D. None of these
3 The nature of thermal radiation is similar to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of them
4 The efficiency of a practical heat engine:
A. Can be 100%
B. Can not be 100%
C. Is always Zero
D. None of these
5 If Cvdonotes molar specific heat at constant volume and𝜟 T is the change in temperature, then Cv𝜟T gives:
A. Volume
B. Pressure
C. Energy
D. Entropy
6 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
7 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
8 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
9 While dealing with the processes i thermodynamics, the working substances is usually:
A. Oxygen gas
B. Hydrogen gas
C. Ideal gas
D. None of these
10 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

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