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

00:00
Question # 1

Absolute zero is considered as that temperature at which:

Question # 2

Carnot engine is ____________ heat engine.

Question # 3

The efficiency of a particle heat engine:

Question # 4

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

Question # 5

Carnot cycle is:

Question # 6

Diesel engine coverts ____________ of available heat energy into work.

Question # 7

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

Question # 8

The equation PVr = Constant applies to:

Question # 9

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

Question # 10

Tick which of the following is not state variable:

Question # 11

Pressure may be defined as_____per second per unit area:

Question # 12

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

Question # 13

Truth of kinetic energy theory is confirmed by:

Question # 14

The nature of thermal radiation is smaller to:

Question # 15

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

Question # 16

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

Question # 17

When a gas is compressed:

Question # 18

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

Question # 19

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

Question # 20

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

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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 Carnot engine is ____________ heat engine.
A. A reversible
B. An irreversible
C. An ideal
D. Both A and C
2 The nature of thermal radiation is similar to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of them
3 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
4 The equation W = ________𝜟U represents:
A. Thermal process
B. adiabatic process
C. Isobaric process
D. None of these
5 When a gas is compressed:
A. Its internal energy decreases
B. Its temperature decreases
C. Its temperature increases
D. None of these
6 Thermal radiations are a type of:
A. Mechanical waves
B. Electromagnetic waves
C. Alpha rays
D. Electrons
7 When heat is added to the system, the entropy change is:
A. Positive
B. Negative
C. Zero
D. None of these
8 Electromagnetic waves emitted by hot bodies are called:
A. Photoelectrons
B. Alpha rats
C. Thermal radiation
D. None of these
9 Pressure may be defined as_____per second per unit area:
A. Change in force
B. Change in momentum
C. Change in energy
D. Work done
10 Number of spark plugs needed in diesel engine is:
A. Four
B. Five
C. Six
D. None of these

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