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

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

Question # 2

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

Question # 3

Avogadro number is known as number of molecules in:

Question # 4

In thermodynamics, the change in internal energy depends upon:

Question # 5

Change in momentum per second is:

Question # 6

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

Question # 7

The efficiency of a particle heat engine:

Question # 8

The equation PVr = Constant applies to:

Question # 9

Which of the following does not have the same units:

Question # 10

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

Question # 11

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

Question # 12

The motion of molecules in gases i:

Question # 13

Tick which of the following is not state variable:

Question # 14

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

Question # 15

According to boyle's law, volume of a given mass of a gas is

Question # 16

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

Question # 17

The temperature scale approved in SI units is:

Question # 18

Carnot cycle is:

Question # 19

One degree of thermodynamics scale of temperature is called:

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 In which process the change in internal energy of the system is zero:
A. Isochoric process
B. Isobaric process
C. Adiabatic process
D. Isothermal process
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 First law of thermodynamics is merely a statement of law of conversation of:
A. Energy
B. Angular momentum
C. Change
D. Linear momentum
5 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%
6 In the theory of dimensional analysis, heat may be properly represented by:
A. ML2T-2
B. MT-2
C. ML-1T-1
D. None of these
7 One degree of thermodynamics scale of temperature is called:
A. Celsius
B. Fahrenheit
C. Kelvin
D. Radian
8 If P is the pressure and V is the volume, Then PV will represent:
A. Power
B. Work
C. Force
D. None of these
9 What will be efficiency of carnot engine when it is operated between the temperatures 47oC and 127 oC:
A. Reversible
B. Irreversible
C. Sometimes A and B
D. None of these
10 The nature of thermal radiation is similar to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of them

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