ECAT Pre General Science Physics Chapter 11 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics

00:00
Question # 1

In the formula P = N0KT, N0denotes:

Question # 2

Absolute temperature can be calculated by

Question # 3

The nature of thermal radiation is similar to:

Question # 4

If a system undergoes a natural process it will go in the direction that causes the entropy of the system plus the environment to increase, this is another statement of

Question # 5

The process which is carried out at constant temperature is known as

Question # 6

Triple point of water is

Question # 7

Electromagnetic waves emitted by hot bodies are called:

Question # 8

Average KE of a gas molecule has:

Question # 9

Rice takes longest to cook

Question # 10

The length of a metallic rod is 5 meter at 100°C. The coefficient of cubical expansion of the metal will be

Question # 11

Two samples A and B of a gas initially of the same temperature and pressure are compressed from a volume V to a volume V/2 such that A is compressed isothermally and B adiabatically. The final pressure

Question # 12

At O° K which of the following properties of a gas will be zero?

Question # 13

Heat required to raise the temperature of one mole of a gas through 1 K at constant pressure is called

Question # 14

The work done by the system on its environment is considered as

Question # 15

First law of thermodynamics tells us that heat energy can be converted into equivalent amount of work, but it is silent about

Question # 16

The basis to define a temperature scale that is independent of material properties is provided by

Question # 17

The relationship between Boltzmann constant k with R and NAis given as:

Question # 18

The temperature scale approved in SI units is:

Question # 19

When heat is added into the system then change in entropy is

Question # 20

For making cooking utensils, which of the following pairs of properties is most suited?

Question # 21

Internal energy is the sum of all the forms of

Question # 22

Heat travels through vacuum by

Question # 23

The curve representing an adiabatic process is called

Question # 24

A process is a reversible process, if the entropy of the system

Question # 25

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

Question # 26

If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be:

Question # 27

The product of the pressure and volume of an ideal gas is

Question # 28

In all natural processes where heat flows from one system to another, there is always a net

Question # 29

Real gases strictly obey gas law at:

Question # 30

10 c.c. each of oxygen and hydrogen are kept in separate flasks. Then which of the following relations is correct?

Submit

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics MCQ`s Test

  • M
    Malik Farhan 26 - Jan - 2019 08 Min 09 Sec 80/120
  • I
    Israr Ahmed 09 - Mar - 2024 17 Min 46 Sec 60/120
  • W
    Waleed Ahmed 24 - Feb - 2023 05 Min 43 Sec 50/120
  • M
    Maliha afridi 25 - Oct - 2018 11 Min 47 Sec 50/120
  • G
    Gimi tunio 30 - Jun - 2018 26 Min 00 Sec 45/120
  • M
    Malik Farhan 23 - May - 2021 07 Min 14 Sec 35/120
  • F
    Farhan Sial 30 - Aug - 2018 09 Min 36 Sec 30/120
  • A
    Ahmed Ali Shah 07 - Nov - 2023 01 Min 01 Sec 25/120
  • K
    kamal deep 17 - Jun - 2023 02 Min 55 Sec 20/120
  • H
    hamza abid 27 - Jan - 2022 10 Min 50 Sec 20/120
  • M
    Mohsin rajput Rajput 21 - Sep - 2025 06 Min 38 Sec 9/30
  • F
    Frankie 09 - Sep - 2022 01 Min 29 Sec 0/120

ECAT Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 The volume of a gas will be double of what it is at 0°C (pressure remaining constant) at
A. 546 K
B. 273 K
C. 546°C
D. 273°C
2 The work done on the system by the environment is considered as
A. positive
B. negative
C. zero
D. any one of them
3 The volume of given mass of a gas will be doubled at atmosphere pressure if the temperature of the gas is changed from 150°C to
A. 300°C
B. 573°C
C. 600°C
D. 743°C
4
During the whole carnot cycle
A. Thermal equilibrium is maintained
B. mechanical equilibrium is maintained
C. both the thermal and mechanical equilibriumis maintained
D. both the thermal and mechanical equilibrium is not maintained
5 Energy gas behaves like an ideal gast at
A. High temperature and low pressure
B. Low temperature and high pressure
C. Both A and B
D. None
6 The example of reversible process is
A. an explosion
B. changes occur suddenly
C. slow compression of a gas
D. all of them
7 One kilogram of different substances contain
A. same number of molecules
B. different number of molecules
C. may be same or different
D. none of them
8 Real gases strictly obey gas law at:
A. High pressure and low temperatures
B. Low pressures and high temperatures
C. High pressures and high temperatures
D. None of these
9 Amount of heat required to raise the temperature of a body through 1 K is called its
A. Specific heat
B. Water equivalent
C. Thermal capacity
D. Entropy
10 In which process the condition for the application of Boyle's law on the gas is fulfilled
A. isochoric process
B. adiabatic process
C. isothermal process
D. none of them

Test Questions

Is this page helpful?