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

If temperature of the sink is decreased, efficiency of a carnot engine.

Question # 3

Electromagnetic waves emitted by hot bodies are called:

Question # 4

The value of universal gas constant R is:

Question # 5

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

Question # 6

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

Question # 7

Which of the following does not have the same units:

Question # 8

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

Question # 9

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

Question # 10

Petrol engine coverts ____________ of available heat energy into work.

Question # 11

Carnot cycle is:

Question # 12

Absolute zero is considered as that temperature at which:

Question # 13

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

Question # 14

The ratio of output work per cycle to input energy per cycle is called:

Question # 15

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

Question # 16

In thermodynamics, the change in internal energy depends upon:

Question # 17

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

Question # 18

Diesel engine coverts ____________ of available heat energy into work.

Question # 19

Steam engine is:

Question # 20

Truth of kinetic energy theory is confirmed by:

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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 Which of the following does not have the same units:
A. Work
B. Heat
C. Kinetic energy
D. Power
2 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
3 When a gas is compressed:
A. Its internal energy decreases
B. Its temperature decreases
C. Its temperature increases
D. None of these
4 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
5 Hotness and coldness of an object is represented in terms of:
A. Heat
B. Temperature
C. Chemicial
D. None of these
6 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%
7 No entropy change is associated with:
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them
8 Thermal radiations are a type of:
A. Mechanical waves
B. Electromagnetic waves
C. Alpha rays
D. Electrons
9 One degree of thermodynamics scale of temperature is called:
A. Celsius
B. Fahrenheit
C. Kelvin
D. Radian
10 Carnot cycle is:
A. Reversible
B. Irreversible
C. Sometimes A, Sometimes B
D. None of these

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