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

Carnot engine is ____________ heat engine.

Question # 2

Change in momentum per second is:

Question # 3

The equation PVr = Constant applies to:

Question # 4

No of spark plugs needed in diesel engine is:

Question # 5

When two objects come to common temperature, the body is said to be in:

Question # 6

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

Question # 7

In an ideal gas, the molecules have:

Question # 8

The equation W = ________𝜟U represents:

Question # 9

While dealing with the processes i thermodynamics, the working substances is usually:

Question # 10

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

Question # 11

Tick which of the following is not state variable:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

The motion of molecules in gases i:

Question # 17

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

Question # 18

Real gases strictly obey gas laws at:

Question # 19

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

Question # 20

No entropy change is associated with:

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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 When a gas is compressed:
A. Its internal energy decreases
B. Its temperature decreases
C. Its temperature increases
D. None of these
2 Change in momentum per second is:
A. Product force and time
B. Product of pressure and area
C. Ratio of pressure and area
D. None of these
3 No of spark plugs needed in diesel engine is:
A. Four
B. Five
C. Six
D. None of these
4 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
5 If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be:
A. -2 mv
B. Zero
C. 2 mv
D. mv
6 The pressure exerted on the walls on the vessel by gas molecules is defined as:
A. Force per unit volume
B. Energy per unit area
C. mass per unit volume
D. None of these
7 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
8 The equation PVr = Constant applies to:
A. Isothermal process
B. Adiabatic process
C. Isobaric process
D. None of these
9 Tick which of the following is not state variable:
A. Heat energy
B. Pressure
C. Entropy
D. Volume
10 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

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