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

In an ideal gas, the molecules have:

Question # 2

Diesel engine coverts ____________ of available heat energy into work.

Question # 3

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

Question # 4

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

Question # 5

In thermodynamics, the change in internal energy depends upon:

Question # 6

The efficiency of a practical heat engine:

Question # 7

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

Question # 8

Petrol engine coverts ____________ of available heat energy into work.

Question # 9

Tick which of the following is not state variable:

Question # 10

No entropy change is associated with:

Question # 11

Carnot cycle is:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The equation PVr = Constant applies to:

Question # 16

Electromagnetic waves emitted by hot bodies are called:

Question # 17

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

Question # 18

The value of universal gas constant R is:

Question # 19

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

Question # 20

One degree of thermodynamics scale of temperature is called:

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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 certain engine coverts 20% of available heat energy into work. Then its efficiency will be:
A. 20%
B. 80%
C. 50%
D. None of these
2 The motion of molecules in gases i:
A. Orderly
B. Random
C. Circular
D. All of these
3 The nature of thermal radiation is similar to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of them
4 If P is the pressure and V is the volume, Then PV will represent:
A. Power
B. Work
C. Force
D. None of these
5 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
6 First law of thermodynamics is merely a statement of law of conversation of:
A. Energy
B. Angular momentum
C. Change
D. Linear momentum
7 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
8 Tick which of the following is not state variable:
A. Heat energy
B. Pressure
C. Entropy
D. Volume
9 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
10 Electromagnetic waves emitted by hot bodies are called:
A. Photoelectrons
B. Alpha rats
C. Thermal radiation
D. None of these

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