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

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

Question # 2

One degree of thermodynamics scale of temperature is called:

Question # 3

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

Question # 4

Electromagnetic waves emitted by hot bodies are called:

Question # 5

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

Question # 6

Brownian motion confirms the truth of :

Question # 7

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

Question # 8

Diesel engine coverts ____________ of available heat energy into work.

Question # 9

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

Question # 10

Number of spark plugs needed in diesel engine is:

Question # 11

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

Question # 12

Most motorbikes have ____________ cylinder/s engine but cars usually have _________ cylinders on the same crankshaft.

Question # 13

The motion of molecules in gases i:

Question # 14

The equation W = ________𝜟U represents:

Question # 15

The efficiency of a particle heat engine:

Question # 16

The nature of thermal radiation is similar to:

Question # 17

No of spark plugs needed in diesel engine is:

Question # 18

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

Question # 19

A process which is carried at constant temperature and Boyle's law can be applied is called:

Question # 20

The nature of thermal radiation is smaller to:

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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 At constant temperature, if the volume of a given mass of a gas is doubled, then the density of gas becomes:
A. Double
B. Remains constant
C. Half
D. None of these
2 Truth of kinetic energy theory is confirmed by:
A. Diffusion of gases
B. Brownian motion
C. Both A and B
D. None of these
3 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
4 No entropy change is associated with:
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them
5 Carnot engine is ____________ heat engine.
A. A reversible
B. An irreversible
C. An ideal
D. Both A and C
6 One degree of thermodynamics scale of temperature is called:
A. Celsius
B. Fahrenheit
C. Kelvin
D. Radian
7 The motion of molecules in gases i:
A. Orderly
B. Random
C. Circular
D. All of these
8 The nature of thermal radiation is similar to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of them
9 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
10 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

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