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

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

Question # 2

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

Question # 3

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

Question # 4

The ideal gas obey gas law at:

Question # 5

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

Question # 6

Avogadro number is known as number of molecules in:

Question # 7

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

Question # 8

Diesel engine coverts ____________ of available heat energy into work.

Question # 9

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

Question # 10

Carnot cycle is:

Question # 11

As the working substance of a heat engine completes a cycle, there is no change in:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

Steam engine is:

Question # 16

The equation W = ________𝜟U represents:

Question # 17

The motion of molecules in gases i:

Question # 18

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

Question # 19

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

Question # 20

The only significant motion possessed by the mono-atomic gas molecules 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 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
2 A process which is carried at constant temperature and Boyle's law can be applied is called:
A. Adiabatic process
B. Isothermal process
C. Isochoric process
D. None of these
3 Petrol engine coverts ____________ of available heat energy into work.
A. 20% to 25%
B. 25% to 30%
C. 30% to 35%
D. 35% to 40%
4 Thermal radiations are a type of:
A. Mechanical waves
B. Electromagnetic waves
C. Alpha rays
D. Electrons
5 When heat is added to the system, the entropy change is:
A. Positive
B. Negative
C. Zero
D. None of these
6 Real gases strictly obey gas laws at:
A. High pressures and low temperatures
B. Low pressures and high temperatures
C. High pressures and & temperatures
D. None of these
7 The equation W = ________𝜟U represents:
A. Thermal process
B. adiabatic process
C. Isobaric process
D. None of these
8 If P is the pressure and V is the volume, Then PV will represent:
A. Power
B. Work
C. Force
D. None of these
9 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
10 When a gas is compressed:
A. Its internal energy decreases
B. Its temperature decreases
C. Its temperature increases
D. None of these

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