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

When a gas is compressed:

Question # 2

Tick which of the following is not state variable:

Question # 3

Steam engine is:

Question # 4

Carnot cycle is:

Question # 5

Petrol engine coverts ____________ of available heat energy into work.

Question # 6

The law of thermodynamics which discusses the condition under which heat energy is converted into and equivalent amount of work is:

Question # 7

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

Question # 8

The motion of molecules in gases i:

Question # 9

Thermal radiations are a type of:

Question # 10

The nature of thermal radiation is similar to:

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

One degree of thermodynamics scale of temperature is called:

Question # 16

Truth of kinetic energy theory is confirmed by:

Question # 17

Electromagnetic waves emitted by hot bodies are called:

Question # 18

The efficiency of a particle heat engine:

Question # 19

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

Question # 20

Real gases strictly obey gas laws at:

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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 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
2 If Cvdonotes molar specific heat at constant volume and𝜟 T is the change in temperature, then Cv𝜟T gives:
A. Volume
B. Pressure
C. Energy
D. Entropy
3 The motion of molecules in gases i:
A. Orderly
B. Random
C. Circular
D. All of these
4 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
5 Absolute zero is considered as that temperature at which:
A. All liquids become gases
B. All gases become liquids
C. Water freezes
D. None of these
6 If temperature of the sink is decreased, efficiency of a carnot engine.
A. Remains constant
B. Decreases
C. Increases
D. None of these
7 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
8 No entropy change is associated with:
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them
9 When heat is added to the system, the entropy change is:
A. Positive
B. Negative
C. Zero
D. None of these
10 The only significant motion possessed by the mono-atomic gas molecules is:
A. Translatory
B. Rotatory
C. Vibratory
D. None of these

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