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

Real gases strictly obey gas laws at:

Question # 2

Diesel engine coverts ____________ of available heat energy into work.

Question # 3

The nature of thermal radiation is similar to:

Question # 4

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

Question # 5

Electromagnetic waves emitted by hot bodies are called:

Question # 6

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

Question # 7

The equation W = ________𝜟U represents:

Question # 8

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

Question # 9

Which of the following does not have the same units:

Question # 10

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

Question # 11

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

Question # 12

A process in which no heat enters or leaves the system is called.

Question # 13

Brownian motion confirms the truth of :

Question # 14

Petrol engine coverts ____________ of available heat energy into work.

Question # 15

In an ideal gas, the molecules have:

Question # 16

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

Question # 17

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

Question # 18

Absolute zero is considered as that temperature at which:

Question # 19

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

Question # 20

The ideal gas obey gas law 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 temperature of the sink is decreased, efficiency of a carnot engine.
A. Remains constant
B. Decreases
C. Increases
D. None of these
2 The nature of thermal radiation is smaller to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of these
3 As the working substance of a heat engine completes a cycle, there is no change in:
A. Internal energy
B. Pressure
C. Volume
D. All of these
4 Thermal radiations are a type of:
A. Mechanical waves
B. Electromagnetic waves
C. Alpha rays
D. Electrons
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 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 A gas which strictly obeys the gas laws under all conditions of temperatures and pressure is called:
A. Ideal gas
B. Inert gas
C. Real gas
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 One degree of thermodynamics scale of temperature is called:
A. Celsius
B. Fahrenheit
C. Kelvin
D. Radian
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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