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 temperature at which all the gases become liquid is called:

Question # 2

In an ideal gas, the molecules have:

Question # 3

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

Question # 4

One degree of thermodynamics scale of temperature is called:

Question # 5

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

Question # 6

No of spark plugs needed in diesel engine is:

Question # 7

Absolute zero is considered as that temperature at which:

Question # 8

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

Question # 9

If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be:

Question # 10

Petrol engine coverts ____________ of available heat energy into work.

Question # 11

Carnot engine is ____________ heat engine.

Question # 12

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

Question # 13

The pressure exerted on the walls on the vessel by gas molecules is defined as:

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

The relationship between Boltzmann constant K with R and NAis given as:

Question # 19

Diesel engine coverts ____________ of available heat energy into work.

Question # 20

Steam engine is:

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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 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
2 Tick which of the following is not state variable:
A. Heat energy
B. Pressure
C. Entropy
D. Volume
3 In an ideal gas, the molecules have:
A. Kinetic energy only
B. Potential energy only
C. Both KE and PE
D. None of these
4 Thermal radiations are a type of:
A. Mechanical waves
B. Electromagnetic waves
C. Alpha rays
D. Electrons
5 The nature of thermal radiation is similar to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of them
6 In thermodynamics, the change in internal energy depends upon:
A. The path taken between initial and final states
B. The initial state only
C. The final state only
D. Initial and final states
7 Hotness and coldness of an object is represented in terms of:
A. Heat
B. Temperature
C. Chemicial
D. None of these
8 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
9 The temperature scale approved in SI units is:
A. Calslus scale
B. Kelvin scale
C. Fehrenhelt scale
D. None of these
10 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

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