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

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

Question # 2

The nature of thermal radiation is similar to:

Question # 3

Change in momentum per second is:

Question # 4

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

Question # 5

Real gases strictly obey gas laws at:

Question # 6

When heat is added to the system, the entropy change is:

Question # 7

If Cvdonotes molar specific heat at constant volume and𝜟 T is the change in temperature, then Cv𝜟T gives:

Question # 8

Truth of kinetic energy theory is confirmed by:

Question # 9

The motion of molecules in gases i:

Question # 10

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

Question # 11

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

Question # 12

The efficiency of a practical heat engine:

Question # 13

The equation PVr = Constant applies to:

Question # 14

A certain engine coverts 20% of available heat energy into work. Then its efficiency will be:

Question # 15

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

Question # 16

Pressure may be defined as_____per second per unit area:

Question # 17

Absolute zero is considered as that temperature at which:

Question # 18

If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be:

Question # 19

Which of the following does not have the same units:

Question # 20

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

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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 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
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 In thermodynamics, the change in internal energy depends upon:
A. The path taken between initial and final states
B. The initial state only
C. The final state only
D. Initial and final states
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 Number of spark plugs needed in diesel engine is:
A. Four
B. Five
C. Six
D. None of these
6 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
7 No of spark plugs needed in diesel engine is:
A. Four
B. Five
C. Six
D. None of these
8 Which of the following does not have the same units:
A. Work
B. Heat
C. Kinetic energy
D. Power
9 Carnot cycle is:
A. Reversible
B. Irreversible
C. Sometimes A, Sometimes B
D. None of these
10 The temperature at which all the gases become liquid is called:
A. 273 K
B. -273 K
C. Absolute Zero
D. Both (B) and (C)

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