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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
Thermal radiations are a type of:
Question # 2
Change in momentum per second is:
Question # 3
Carnot engine is ____________ heat engine.
Question # 4
Diesel engine coverts ____________ of available heat energy into work.
Question # 5
The law of thermodynamics which discusses the condition under which heat energy is converted into and equivalent amount of work is:
Question # 6
Real gases strictly obey gas laws at:
Question # 7
When heat is added to the system, the entropy change is:
Question # 8
If Cvdonotes molar specific heat at constant volume and𝜟 T is the change in temperature, then Cv𝜟T gives:
Question # 9
The pressure exerted on the walls on the vessel by gas molecules is defined as:
Question # 10
The temperature scale approved in SI units is:
Question # 11
If the temperature difference between hot and cold body is greater the heat engine is:
Question # 12
No of spark plugs needed in diesel engine is:
Question # 13
The efficiency of a practical heat engine:
Question # 14
As the working substance of a heat engine completes a cycle, there is no change in:
Question # 15
While dealing with the processes i thermodynamics, the working substances is usually:
Question # 16
In the theory of dimensional analysis, heat may be properly represented by:
Question # 17
The motion of molecules in gases i:
Question # 18
The equation PVr = Constant applies to:
Question # 19
A certain engine coverts 20% of available heat energy into work. Then its efficiency will be:
Question # 20
If P is the pressure and V is the volume, Then PV will represent:
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 | A process in which no heat enters or leaves the system is called. |
A. Adiabatic process
B. Isothermal process
C. Isochoric process
D. None of these
|
| 2 | The equation PVr = Constant applies to: |
A. Isothermal process
B. Adiabatic process
C. Isobaric process
D. None of these
|
| 3 | 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)
|
| 4 | 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
|
| 5 | What will be efficiency of carnot engine when it is operated between the temperatures 47oC and 127 oC: |
A. Reversible
B. Irreversible
C. Sometimes A and B
D. None of these
|
| 6 | The relationship between Boltzmann constant K with R and NAis given as: |
A. k = RNA
B. k = R/NA
C. k = NR/NA
D. None of these
|
| 7 | 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
|
| 8 | Electromagnetic waves emitted by hot bodies are called: |
A. Photoelectrons
B. Alpha rats
C. Thermal radiation
D. None of these
|
| 9 | Hotness and coldness of an object is represented in terms of: |
A. Heat
B. Temperature
C. Chemicial
D. None of these
|
| 10 | 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
|
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