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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 motion of molecules in gases i:
Question # 2
Only those processes are probable to take place for which entropy os the system:
Question # 3
First law of thermodynamics is merely a statement of law of conversation of:
Question # 4
As the working substance of a heat engine completes a cycle, there is no change in:
Question # 5
If P is the pressure and V is the volume, Then PV will represent:
Question # 6
Number of spark plugs needed in diesel engine is:
Question # 7
The nature of thermal radiation is smaller to:
Question # 8
Pressure may be defined as_____per second per unit area:
Question # 9
If temperature of the sink is decreased, efficiency of a carnot engine.
Question # 10
While dealing with the processes i thermodynamics, the working substances is usually:
Question # 11
No of spark plugs needed in diesel engine is:
Question # 12
In which process the change in internal energy of the system is zero:
Question # 13
For a gas obeying Boyle's law, if the pressure is doubled the volume becomes:
Question # 14
In the theory of dimensional analysis, heat may be properly represented by:
Question # 15
At constant temperature, if the volume of a given mass of a gas is doubled, then the density of gas becomes:
Question # 16
A gas which strictly obeys the gas laws under all conditions of temperatures and pressure is called:
Question # 17
The value of universal gas constant R is:
Question # 18
Petrol engine coverts ____________ of available heat energy into work.
Question # 19
The only significant motion possessed by the mono-atomic gas molecules is:
Question # 20
Carnot engine is ____________ 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 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
|
| 2 | The nature of thermal radiation is similar to: |
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of them
|
| 3 | Real gases strictly obey gas laws at: |
A. High pressures and low temperatures
B. Low pressures and high temperatures
C. High pressures and & temperatures
D. None of these
|
| 4 | If temperature of the sink is decreased, efficiency of a carnot engine. |
A. Remains constant
B. Decreases
C. Increases
D. None of these
|
| 5 | 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
|
| 6 | 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
|
| 7 | If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be: |
A. -2 mv
B. Zero
C. 2 mv
D. mv
|
| 8 | Steam engine is: |
A. An optical system
B. A thermal system
C. A thermodynamic system
D. None of these
|
| 9 | 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)
|
| 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