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

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

Question # 2

The equation PVr = Constant applies to:

Question # 3

The nature of thermal radiation is smaller to:

Question # 4

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

Question # 5

Number of spark plugs needed in diesel engine is:

Question # 6

Petrol engine coverts ____________ of available heat energy into work.

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

Electromagnetic waves emitted by hot bodies are called:

Question # 11

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

Question # 12

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

Question # 13

A certain engine coverts 20% of available heat energy into work. Then its efficiency will be:

Question # 14

In an ideal gas, the molecules have:

Question # 15

Pressure may be defined as_____per second per unit area:

Question # 16

Brownian motion confirms the truth of :

Question # 17

Steam engine is:

Question # 18

Avogadro number is known as number of molecules in:

Question # 19

If Cvdonotes molar specific heat at constant volume and𝜟 T is the change in temperature, then Cv𝜟T gives:

Question # 20

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

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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 A process which is carried at constant temperature and Boyle's law can be applied is called:
A. Adiabatic process
B. Isothermal process
C. Isochoric process
D. None of these
2 Which of the following does not have the same units:
A. Work
B. Heat
C. Kinetic energy
D. Power
3 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
4 Carnot engine is ____________ heat engine.
A. A reversible
B. An irreversible
C. An ideal
D. Both A and C
5 Tick which of the following is not state variable:
A. Heat energy
B. Pressure
C. Entropy
D. Volume
6 The number of molecules in one mole of gas is equal to:
A. Avogadro number NA
B. Gas constant R
C. Boltzmann constant k
D. None of these
7 The temperature scale approved in SI units is:
A. Calslus scale
B. Kelvin scale
C. Fehrenhelt scale
D. None of these
8 If the temperature difference between hot and cold body is greater the heat engine is:
A. Not efficient
B. Less efficient
C. More efficient
D. NOne of above
9 Thermal radiations are a type of:
A. Mechanical waves
B. Electromagnetic waves
C. Alpha rays
D. Electrons
10 The nature of thermal radiation is smaller to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of these

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