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

A gas which strictly obeys the gas laws under all conditions of temperatures and pressure is called:

Question # 2

Which of the following does not have the same units:

Question # 3

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

Question # 4

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

Question # 5

Truth of kinetic energy theory is confirmed by:

Question # 6

Pressure may be defined as_____per second per unit area:

Question # 7

In thermodynamics, the change in internal energy depends upon:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

In an ideal gas, the molecules have:

Question # 12

When a gas is compressed:

Question # 13

No entropy change is associated with:

Question # 14

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

Question # 15

Avogadro number is known as number of molecules in:

Question # 16

The equation W = ________𝜟U represents:

Question # 17

The nature of thermal radiation is similar to:

Question # 18

Real gases strictly obey gas laws at:

Question # 19

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

Question # 20

The motion of molecules in gases i:

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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 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
2 If temperature of the sink is decreased, efficiency of a carnot engine.
A. Remains constant
B. Decreases
C. Increases
D. None of these
3 If the temperature difference between hot and cold body is greater the heat engine is:
A. Not efficient
B. Less efficient
C. More efficient
D. NOne of above
4 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
5 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)
6 No of spark plugs needed in diesel engine is:
A. Four
B. Five
C. Six
D. None of these
7 As the working substance of a heat engine completes a cycle, there is no change in:
A. Internal energy
B. Pressure
C. Volume
D. All of these
8 Steam engine is:
A. An optical system
B. A thermal system
C. A thermodynamic system
D. None of these
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 Diesel engine coverts ____________ of available heat energy into work.
A. 20% to 25%
B. 25% to 30%
C. 30% to 35%
D. 35% to 40%

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