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

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

Question # 2

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

Question # 3

In an ideal gas, the molecules have:

Question # 4

Pressure may be defined as_____per second per unit area:

Question # 5

Number of spark plugs needed in diesel engine is:

Question # 6

The equation PVr = Constant applies to:

Question # 7

Electromagnetic waves emitted by hot bodies are called:

Question # 8

Most motorbikes have ____________ cylinder/s engine but cars usually have _________ cylinders on the same crankshaft.

Question # 9

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

Question # 10

Change in momentum per second is:

Question # 11

The motion of molecules in gases i:

Question # 12

Only those processes are probable to take place for which entropy os the system:

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

When a gas is compressed:

Question # 17

Petrol engine coverts ____________ of available heat energy into work.

Question # 18

The law of thermodynamics which discusses the condition under which heat energy is converted into and equivalent amount of work is:

Question # 19

The ideal gas obey gas law at:

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 Electromagnetic waves emitted by hot bodies are called:
A. Photoelectrons
B. Alpha rats
C. Thermal radiation
D. None of these
2 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
3 Thermal radiations are a type of:
A. Mechanical waves
B. Electromagnetic waves
C. Alpha rays
D. Electrons
4 One degree of thermodynamics scale of temperature is called:
A. Celsius
B. Fahrenheit
C. Kelvin
D. Radian
5 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
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 The only significant motion possessed by the mono-atomic gas molecules is:
A. Translatory
B. Rotatory
C. Vibratory
D. None of these
8 The efficiency of a particle heat engine:
A. can be 100%
B. Cannot be 100%
C. Is always zero
D. None of these
9 For a gas obeying Boyle's law, if the pressure is doubled the volume becomes:
A. One half
B. Double
C. Four times
D. None of these
10 No entropy change is associated with:
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them

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