MDCAT Physics Chapter 8 MCQ Test With Answer for (Heat and Thermodynamics)

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

  • Total Questions20

  • Time Allowed20

Start Test Download PDF

MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test

00:00
Question # 1

Thermal radiations are a type of:

Question # 2

If P is the pressure and V is the volume, Then PV will represent:

Question # 3

At constant temperature, if the volume of a given mass of a gas is doubled, then the density of gas becomes:

Question # 4

The only significant motion possessed by the mono-atomic gas molecules is:

Question # 5

Truth of kinetic energy theory is confirmed by:

Question # 6

Carnot engine is ____________ heat engine.

Question # 7

The temperature at which all the gases become liquid is called:

Question # 8

The number of molecules in one mole of gas is equal to:

Question # 9

Hotness and coldness of an object is represented in terms of:

Question # 10

The pressure exerted on the walls on the vessel by gas molecules is defined as:

Question # 11

In an ideal gas, the molecules have:

Question # 12

According to boyle's law, volume of a given mass of a gas is

Question # 13

If the temperature difference between hot and cold body is greater the heat engine is:

Question # 14

The temperature scale approved in SI units is:

Question # 15

The ratio of output work per cycle to input energy per cycle is called:

Question # 16

The efficiency of a particle heat engine:

Question # 17

What will be efficiency of carnot engine when it is operated between the temperatures 47oC and 127 oC:

Question # 18

Absolute zero is considered as that temperature at which:

Question # 19

Most motorbikes have ____________ cylinder/s engine but cars usually have _________ cylinders on the same crankshaft.

Question # 20

When two objects come to common temperature, the body is said to be in:

Submit

Prepare Complete Set Wise MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test MCQs Online With Answers


Topic Test

00:00
Submit

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

  • 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
  • S
    shazia arshad 01 - Sep - 2026 18 Min 37 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 The equation PVr = Constant applies to:
A. Isothermal process
B. Adiabatic process
C. Isobaric process
D. None of these
2 Petrol 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 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
4 When heat is added to the system, the entropy change is:
A. Positive
B. Negative
C. Zero
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 ratio of output work per cycle to input energy per cycle is called:
A. Entropy
B. Internal energy
C. Efficiency
D. None of these
7 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
8 In which process, the change in internal energy of the system of zero:
A. Isochoric process
B. isobaric process
C. Adiabatic process
D. Isothermal process
9 The value of universal gas constant R is:
A. 8.314 J/K mole K
B. 8314 J/ mole K
C. 8.314 J/ mole K
D. None of these
10 The law of thermodynamics which discusses the condition under which heat energy is converted into and equivalent amount of work is:
A. 1st
B. 2nd
C. 3rd
D. None of these

Test Questions