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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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Total Questions20
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Time Allowed20
MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test
00:00
Question # 1
The efficiency of a particle heat engine:
Question # 2
A gas which strictly obeys the gas laws under all conditions of temperatures and pressure is called:
Question # 3
Thermal radiations are a type of:
Question # 4
Real gases strictly obey gas laws at:
Question # 5
At constant temperature, if the volume of a given mass of a gas is doubled, then the density of gas becomes:
Question # 6
Brownian motion confirms the truth of :
Question # 7
The pressure exerted on the walls on the vessel by gas molecules is defined as:
Question # 8
When two objects come to common temperature, the body is said to be in:
Question # 9
Only those processes are probable to take place for which entropy os the system:
Question # 10
No entropy change is associated with:
Question # 11
At constant temperature, if the density of the gas is increased, its pressure will:
Question # 12
As the working substance of a heat engine completes a cycle, there is no change in:
Question # 13
The law of thermodynamics which discusses the condition under which heat energy is converted into and equivalent amount of work is:
Question # 14
The ratio of output work per cycle to input energy per cycle is called:
Question # 15
One degree of thermodynamics scale of temperature is called:
Question # 16
Carnot engine is ____________ heat engine.
Question # 17
Avogadro number is known as number of molecules in:
Question # 18
Electromagnetic waves emitted by hot bodies are called:
Question # 19
Change in momentum per second is:
Question # 20
Pressure may be defined as_____per second per unit area:
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.
Top Scorers Of MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test MCQ`s Test
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U Ume Rubab 11 - Sep - 2024 00 Min 28 Sec 15/20 -
A Amshal Syed 18 - Sep - 2024 00 Min 31 Sec 15/20 -
S Sameer Ali 02 - Oct - 2024 00 Min 49 Sec 14/20 -
A ayan sajjad 06 - Nov - 2024 01 Min 55 Sec 14/20 -
R RIZWAN LIAQAT 21 - Oct - 2024 02 Min 09 Sec 14/20 -
A Areeba Jamal 14 - Sep - 2024 03 Min 06 Sec 14/20 -
M Mohammad Ahmed 28 - Sep - 2024 09 Min 09 Sec 14/20 -
A asima noreen 18 - Sep - 2024 02 Min 52 Sec 13/20 -
W Wania Irfan 11 - Sep - 2024 05 Min 11 Sec 13/20 -
D Danish Asghar. 17 - Sep - 2024 06 Min 43 Sec 13/20 -
H Haziqa Arshad 18 - Sep - 2024 01 Min 47 Sec 12/20 -
M Mehak Soomro 19 - Sep - 2024 03 Min 28 Sec 12/20 -
H Hafiz Hafiz 04 - Nov - 2024 04 Min 03 Sec 12/20 -
N Noor hadi 17 - Sep - 2025 11 Min 41 Sec 12/15 -
J Jahanzeb 18 - Sep - 2024 16 Min 39 Sec 12/20
MCAT Physics Chapter 8 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 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 | The number of molecules in one mole of gas is equal to: |
A. Avogadro number NA
B. Gas constant R
C. Boltzmann constant k
D. None of these
|
| 4 | No entropy change is associated with: |
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them
|
| 5 | Avogadro number is known as number of molecules in: |
A. One kg of a substance
B. Unit volume of a substance
C. One mole of a substance
D. None of these
|
| 6 | Truth of kinetic energy theory is confirmed by: |
A. Diffusion of gases
B. Brownian motion
C. Both A and B
D. None of these
|
| 7 | 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
|
| 8 | The nature of thermal radiation is similar to: |
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of them
|
| 9 | If the temperature difference between hot and cold body is greater the heat engine is: |
A. Not efficient
B. Less efficient
C. More efficient
D. NOne of above
|
| 10 | The equation PVr = Constant applies to: |
A. Isothermal process
B. Adiabatic process
C. Isobaric process
D. None of these
|
Test Questions
Share your comments & questions here
Komal
20 Sep 2019Not working .nnot giving result of test
Komal
20 Sep 2019Not working.not generating result
Ali Gohar
27 Aug 2019👌
hina
17 Jul 2018satisfactory