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 nature of thermal radiation is smaller to:

Question # 2

In thermodynamics, the change in internal energy depends upon:

Question # 3

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

Question # 4

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

Question # 5

Number of spark plugs needed in diesel engine is:

Question # 6

In the theory of dimensional analysis, heat may be properly represented by:

Question # 7

The nature of thermal radiation is similar to:

Question # 8

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

Question # 9

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

Question # 10

One degree of thermodynamics scale of temperature is called:

Question # 11

First law of thermodynamics is merely a statement of law of conversation of:

Question # 12

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

Question # 13

Change in momentum per second is:

Question # 14

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

Question # 15

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

Question # 16

In an ideal gas, the molecules have:

Question # 17

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

Question # 18

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

Question # 19

Steam engine is:

Question # 20

Carnot engine is ____________ heat engine.

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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 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
2 Which of the following does not have the same units:
A. Work
B. Heat
C. Kinetic energy
D. Power
3 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
4 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
5 The ratio of output work per cycle to input energy per cycle is called:
A. Entropy
B. Internal energy
C. Efficiency
D. None of these
6 Electromagnetic waves emitted by hot bodies are called:
A. Photoelectrons
B. Alpha rats
C. Thermal radiation
D. None of these
7 In an ideal gas, the molecules have:
A. Kinetic energy only
B. Potential energy only
C. Both KE and PE
D. None of these
8 Carnot engine is ____________ heat engine.
A. A reversible
B. An irreversible
C. An ideal
D. Both A and C
9 Truth of kinetic energy theory is confirmed by:
A. Diffusion of gases
B. Brownian motion
C. Both A and B
D. None of these
10 No entropy change is associated with:
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them

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