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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
Carnot engine is ____________ heat engine.
Question # 2
Hotness and coldness of an object is represented in terms of:
Question # 3
In the theory of dimensional analysis, heat may be properly represented by:
Question # 4
First law of thermodynamics is merely a statement of law of conversation of:
Question # 5
If the temperature difference between hot and cold body is greater the heat engine is:
Question # 6
The temperature at which all the gases become liquid is called:
Question # 7
The only significant motion possessed by the mono-atomic gas molecules is:
Question # 8
A certain engine coverts 20% of available heat energy into work. Then its efficiency will be:
Question # 9
For a gas obeying Boyle's law, if the pressure is doubled the volume becomes:
Question # 10
In which process, the change in internal energy of the system of zero:
Question # 11
If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be:
Question # 12
If temperature of the sink is decreased, efficiency of a carnot engine.
Question # 13
What will be efficiency of carnot engine when it is operated between the temperatures 47oC and 127 oC:
Question # 14
Electromagnetic waves emitted by hot bodies are called:
Question # 15
When two objects come to common temperature, the body is said to be in:
Question # 16
While dealing with the processes i thermodynamics, the working substances is usually:
Question # 17
The ideal gas obey gas law at:
Question # 18
The nature of thermal radiation is smaller to:
Question # 19
In which process the change in internal energy of the system is zero:
Question # 20
The efficiency of a practical heat engine:
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 | If Cvdonotes molar specific heat at constant volume and𝜟 T is the change in temperature, then Cv𝜟T gives: |
A. Volume
B. Pressure
C. Energy
D. Entropy
|
| 2 | The rate of change of momentum of a molecule is equal to: |
A. Pressure
B. Work
C. Density
D. Force
|
| 3 | The ideal gas obey gas law at: |
A. Low tempratures and high pressures
B. High temperatures and low pressures
C. All temperatures and pressures
D. None of these
|
| 4 | When heat is added to the system, the entropy change is: |
A. Positive
B. Negative
C. Zero
D. None of these
|
| 5 | The only significant motion possessed by the mono-atomic gas molecules is: |
A. Translatory
B. Rotatory
C. Vibratory
D. None of these
|
| 6 | 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
|
| 7 | If P is the pressure and V is the volume, Then PV will represent: |
A. Power
B. Work
C. Force
D. None of these
|
| 8 | 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
|
| 9 | 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%
|
| 10 | 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
|
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