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

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

Question # 2

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

Question # 3

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

Question # 4

Petrol engine coverts ____________ of available heat energy into work.

Question # 5

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

Question # 6

In an ideal gas, the molecules have:

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

Number of spark plugs needed in diesel engine is:

Question # 9

No of spark plugs needed in diesel engine is:

Question # 10

The efficiency of a particle heat engine:

Question # 11

The equation PVr = Constant applies to:

Question # 12

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

Question # 13

The efficiency of a practical heat engine:

Question # 14

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

Question # 15

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

Question # 16

The motion of molecules in gases i:

Question # 17

Carnot engine is ____________ heat engine.

Question # 18

When a gas is compressed:

Question # 19

Absolute zero is considered as that temperature at which:

Question # 20

According to boyle's law, volume of a given mass of a gas 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 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
2 If P is the pressure and V is the volume, Then PV will represent:
A. Power
B. Work
C. Force
D. None of these
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 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
5 While dealing with the processes i thermodynamics, the working substances is usually:
A. Oxygen gas
B. Hydrogen gas
C. Ideal gas
D. None of these
6 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
7 The ideal gas obey gas law at:
A. Low tempratures and high pressures
B. High temperatures and low pressures
C. All temperatures and pressures
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 nature of thermal radiation is smaller to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of these
10 Thermal radiations are a type of:
A. Mechanical waves
B. Electromagnetic waves
C. Alpha rays
D. Electrons

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