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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
Change in momentum per second is:
Question # 2
A gas which strictly obeys the gas laws under all conditions of temperatures and pressure is called:
Question # 3
Real gases strictly obey gas laws at:
Question # 4
A process which is carried at constant temperature and Boyle's law can be applied is called:
Question # 5
The nature of thermal radiation is similar to:
Question # 6
Carnot cycle is:
Question # 7
Which of the following does not have the same units:
Question # 8
No entropy change is associated with:
Question # 9
Only those processes are probable to take place for which entropy os the system:
Question # 10
Electromagnetic waves emitted by hot bodies are called:
Question # 11
The only significant motion possessed by the mono-atomic gas molecules is:
Question # 12
The number of molecules in one mole of gas is equal to:
Question # 13
In which process, the change in internal energy of the system of zero:
Question # 14
If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be:
Question # 15
The efficiency of a particle heat engine:
Question # 16
Avogadro number is known as number of molecules in:
Question # 17
If Cvdonotes molar specific heat at constant volume and𝜟 T is the change in temperature, then Cv𝜟T gives:
Question # 18
A certain engine coverts 20% of available heat energy into work. Then its efficiency will be:
Question # 19
As the working substance of a heat engine completes a cycle, there is no change in:
Question # 20
What will be efficiency of carnot engine when it is operated between the temperatures 47oC and 127 oC:
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 | No of spark plugs needed in diesel engine is: |
A. Four
B. Five
C. Six
D. None of these
|
| 2 | 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
|
| 3 | 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
|
| 4 | Only those processes are probable to take place for which entropy os the system: |
A. Increases
B. Remains constant
C. Both A and B are correct
D. None of above
|
| 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 | 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)
|
| 7 | In an ideal gas, the molecules have: |
A. Kinetic energy only
B. Potential energy only
C. Both KE and PE
D. None of these
|
| 8 | As the working substance of a heat engine completes a cycle, there is no change in: |
A. Internal energy
B. Pressure
C. Volume
D. All of these
|
| 9 | 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
|
| 10 | Most motorbikes have ____________ cylinder/s engine but cars usually have _________ cylinders on the same crankshaft. |
A. Four , Six
B. One , four
C. two , five
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