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

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

Question # 2

A gas which strictly obeys the gas laws under all conditions of temperatures and pressure is called:

Question # 3

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

Question # 4

In which process, the change in internal energy of the system of zero:

Question # 5

The ideal gas obey gas law at:

Question # 6

Electromagnetic waves emitted by hot bodies are called:

Question # 7

First law of thermodynamics is merely a statement of law of conversation of:

Question # 8

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

Question # 9

No entropy change is associated with:

Question # 10

Carnot cycle is:

Question # 11

A process which is carried at constant temperature and Boyle's law can be applied is called:

Question # 12

The value of universal gas constant R is:

Question # 13

Change in momentum per second is:

Question # 14

Steam engine is:

Question # 15

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

Question # 16

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

Question # 17

No of spark plugs needed in diesel engine is:

Question # 18

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

Question # 19

The efficiency of a practical heat engine:

Question # 20

At constant temperature, if the density of the gas is increased, its pressure will:

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 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 According to boyle's law, volume of a given mass of a gas is
A. Inversely proportional mass at constant pressure
B. Directly proportional to pressure at constant temprerature
C. Inversely proportional pressure at constant temprature
D. None of these
3 For a gas obeying Boyle's law, if the pressure is doubled the volume becomes:
A. One half
B. Double
C. Four times
D. None of these
4 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
5 Thermal radiations are a type of:
A. Mechanical waves
B. Electromagnetic waves
C. Alpha rays
D. Electrons
6 The number of molecules in one mole of gas is equal to:
A. Avogadro number NA
B. Gas constant R
C. Boltzmann constant k
D. None of these
7 Absolute zero is considered as that temperature at which:
A. All liquids become gases
B. All gases become liquids
C. Water freezes
D. None of these
8 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
9 The efficiency of a practical heat engine:
A. Can be 100%
B. Can not be 100%
C. Is always Zero
D. None of these
10 The nature of thermal radiation is similar to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of them

Test Questions