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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
Hotness and coldness of an object is represented in terms of:
Question # 2
While dealing with the processes i thermodynamics, the working substances is usually:
Question # 3
Tick which of the following is not state variable:
Question # 4
The efficiency of a practical heat engine:
Question # 5
Thermal radiations are a type of:
Question # 6
The temperature scale approved in SI units is:
Question # 7
For a gas obeying Boyle's law, if the pressure is doubled the volume becomes:
Question # 8
The law of thermodynamics which discusses the condition under which heat energy is converted into and equivalent amount of work is:
Question # 9
The equation PVr = Constant applies to:
Question # 10
Electromagnetic waves emitted by hot bodies are called:
Question # 11
Absolute zero is considered as that temperature at which:
Question # 12
When a gas is compressed:
Question # 13
No entropy change is associated with:
Question # 14
Steam engine is:
Question # 15
No of spark plugs needed in diesel engine is:
Question # 16
Carnot cycle is:
Question # 17
The equation W = ________𝜟U represents:
Question # 18
Real gases strictly obey gas laws at:
Question # 19
Diesel engine coverts ____________ of available heat energy into work.
Question # 20
If Cvdonotes molar specific heat at constant volume and𝜟 T is the change in temperature, then Cv𝜟T gives:
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 | In the theory of dimensional analysis, heat may be properly represented by: |
A. ML2T-2
B. MT-2
C. ML-1T-1
D. None of these
|
| 2 | Diesel engine coverts ____________ of available heat energy into work. |
A. 20% to 25%
B. 25% to 30%
C. 30% to 35%
D. 35% to 40%
|
| 3 | Carnot cycle is: |
A. Reversible
B. Irreversible
C. Sometimes A, Sometimes B
D. None of these
|
| 4 | Steam engine is: |
A. An optical system
B. A thermal system
C. A thermodynamic system
D. None of these
|
| 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 | Brownian motion confirms the truth of : |
A. Wave theory of light
B. Boyle's law
C. Kinetic theory of gases
D. Adiabatic process
|
| 7 | The equation W = ________𝜟U represents: |
A. Thermal process
B. adiabatic process
C. Isobaric process
D. None of these
|
| 8 | Pressure may be defined as_____per second per unit area: |
A. Change in force
B. Change in momentum
C. Change in energy
D. Work done
|
| 9 | The nature of thermal radiation is similar to: |
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of them
|
| 10 | If temperature of the sink is decreased, efficiency of a carnot engine. |
A. Remains constant
B. Decreases
C. Increases
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