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

While dealing with the processes i thermodynamics, the working substances is usually:

Question # 2

The rate of change of momentum of a molecule is equal to:

Question # 3

Change in momentum per second is:

Question # 4

The nature of thermal radiation is smaller to:

Question # 5

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

Question # 6

One degree of thermodynamics scale of temperature is called:

Question # 7

Pressure may be defined as_____per second per unit area:

Question # 8

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

Question # 9

Brownian motion confirms the truth of :

Question # 10

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

Question # 11

The value of universal gas constant R is:

Question # 12

In thermodynamics, the change in internal energy depends upon:

Question # 13

Truth of kinetic energy theory is confirmed by:

Question # 14

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

Question # 15

Thermal radiations are a type of:

Question # 16

The equation PVr = Constant applies to:

Question # 17

As the working substance of a heat engine completes a cycle, there is no change in:

Question # 18

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

Question # 19

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

Question # 20

What will be efficiency of carnot engine when it is operated between the temperatures 47oC and 127 oC:

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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 nature of thermal radiation is smaller to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of these
2 When heat is added to the system, the entropy change is:
A. Positive
B. Negative
C. Zero
D. None of these
3 The motion of molecules in gases i:
A. Orderly
B. Random
C. Circular
D. All of these
4 No entropy change is associated with:
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them
5 The nature of thermal radiation is similar to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of them
6 The efficiency of a practical heat engine:
A. Can be 100%
B. Can not be 100%
C. Is always Zero
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 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
9 The equation W = ________𝜟U represents:
A. Thermal process
B. adiabatic process
C. Isobaric process
D. None of these
10 The ratio of output work per cycle to input energy per cycle is called:
A. Entropy
B. Internal energy
C. Efficiency
D. None of these

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