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

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

Question # 2

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

Question # 3

Diesel engine coverts ____________ of available heat energy into work.

Question # 4

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

Question # 5

In an ideal gas, the molecules have:

Question # 6

Real gases strictly obey gas laws at:

Question # 7

Carnot cycle is:

Question # 8

In thermodynamics, the change in internal energy depends upon:

Question # 9

The nature of thermal radiation is similar to:

Question # 10

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

Question # 11

Carnot engine is ____________ heat engine.

Question # 12

The motion of molecules in gases i:

Question # 13

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

Question # 14

Petrol engine coverts ____________ of available heat energy into work.

Question # 15

Avogadro number is known as number of molecules in:

Question # 16

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

Question # 17

No of spark plugs needed in diesel engine is:

Question # 18

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

Question # 19

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

Question # 20

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

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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 value of universal gas constant R is:
A. 8.314 J/K mole K
B. 8314 J/ mole K
C. 8.314 J/ mole K
D. None of these
2 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
3 Number of spark plugs needed in diesel engine is:
A. Four
B. Five
C. Six
D. None of these
4 Which of the following does not have the same units:
A. Work
B. Heat
C. Kinetic energy
D. Power
5 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
6 At constant temperature, if the density of the gas is increased, its pressure will:
A. Decrease
B. Increase
C. Remain unchanged
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 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
9 Absolute zero is considered as that temperature at which:
A. All liquids become gases
B. All gases become liquids
C. Water freezes
D. None of these
10 The efficiency of a practical heat engine:
A. Can be 100%
B. Can not be 100%
C. Is always Zero
D. None of these

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