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

Only those processes are probable to take place for which entropy os the system:

Question # 2

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

Question # 3

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

Question # 4

When a gas is compressed:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

The value of universal gas constant R is:

Question # 9

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

Question # 10

Electromagnetic waves emitted by hot bodies are called:

Question # 11

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

Question # 12

Real gases strictly obey gas laws at:

Question # 13

Steam engine is:

Question # 14

Petrol engine coverts ____________ of available heat energy into work.

Question # 15

Carnot cycle is:

Question # 16

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

Question # 17

The nature of thermal radiation is similar to:

Question # 18

Tick which of the following is not state variable:

Question # 19

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

Question # 20

Which of the following does not have the same units:

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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 motion of molecules in gases i:
A. Orderly
B. Random
C. Circular
D. All of these
2 Change in momentum per second is:
A. Product force and time
B. Product of pressure and area
C. Ratio of pressure and area
D. None of these
3 The nature of thermal radiation is smaller to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of these
4 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
5 When two objects come to common temperature, the body is said to be in:
A. Static equilibrium
B. Dynamic equilibrium
C. Thermal equilibrium
D. None of these
6 Which of the following does not have the same units:
A. Work
B. Heat
C. Kinetic energy
D. Power
7 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
8 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
9 Number of spark plugs needed in diesel engine is:
A. Four
B. Five
C. Six
D. None of these
10 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%

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