ECAT Pre General Science Chapter 11 online mcq test with answers for Physics chapter 11 (Heart & Thermodynamics)

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Malik Farhan 26 - Jan - 2019 08 Min 09 Sec 80/120
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Waleed Ahmed 24 - Feb - 2023 05 Min 43 Sec 50/120
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Malik Farhan 23 - May - 2021 07 Min 14 Sec 35/120
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hamza abid 27 - Jan - 2022 10 Min 50 Sec 20/120
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Mohsin rajput Rajput 21 - Sep - 2025 06 Min 38 Sec 9/30
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Frankie 09 - Sep - 2022 01 Min 29 Sec 0/120

ECAT Physics Chapter 11 Important MCQ's

Sr.#	Question	Answer
1	Melting point of ice	A. Increases with increasing pressure B. Decreases with increasing pressure C. Is independent of pressure D. Is proportional to pressure
2	The pressure of gas everywhere inside the vessel will be the same provided the gas is of	A. Non-uniform density B. uniform density C. high density D. low density
3	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
4	The absolute temperature for an ideal gas is	A. directly proportional to the rotational K.E of gas molecules B. directly proportional to the vibrational K.E of gas molecules C. directly proportional to the average translational K.E.of gas molecules D. directly proportional to the P.E. of gas molecules
5	The only significant motion possessed by the mono-atomic gas represented is:	A. Translatory B. Rotatory C. Vibratory D. None of these
6	Hydrogen and helium of same volume V at same temperature T and same pressure P are mixed to have same volume V. The resulting pressure of the mixtures will be	A. R/2 B. P C. 2P D. Depending on the relative mass of the gases
7	We cannot utilize the heat contents of oceans and atmosphere because	A. there is no reservoir at the same temperature B. there is no reservoir at the temperature lower than any one of two C. there is no reservoir at the temperature higher than any one of two D. none of them
8	The nature of thermal radiation is similar to:	A. Ultraviolet rays B. Light rays C. Both of them D. None of these
9	First law of thermodynamic is special case of	A. Law of conservation of energy B. Charle's law C. Law of conservation of mass D. Boyle's law
10	One mole of any substance contain	A. same number of molecules B. different number of molecules C. may be same or different D. none of them

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ECAT Pre General Science Physics Chapter 11 MCQ Test With Answer

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

ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics

Absolute temperature can be calculated by

The kinetic energy of one molecule of a gas at normal temperature and pressure will be (k = 8.31 J/mole K) :

Electromagnetic waves emitted by hot bodies are called:

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

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

Hydrogen and helium of same volume V at same temperature T and same pressure P are mixed to have same volume V. The resulting pressure of the mixtures will be

Pressure of a gas at constant volume is proportion to

The coefficient of linear expansion of iron is 0.000011 per°K. An iron rod is 10 metre long at 27°C. The length of the rod will be decreased by 1.1 mm when the temperature of the rod changes to

On a cold morning a metal surface will fell colder to touch than a wooden surface, because

The temperature of gas is produced by

Melting point of ice

The highest efficiency of a heat engine whose low temperature is 17°C and the high temperature is 200°C is

The absolute temperature of the tripple point of water is

Which of the following is not an assumption of kinetic energy

Pressure may be define as _______ per second per unit area:

Maximum density of H2O is at the temperature

Generally a temperature scale is established by

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

A process which can be retraced in exactly reverse order, without producing any change in the surroundings is called

Specific heat at constant pressure is greater than the specific heat at constant volume because

The percentage of available heat energy converted into work by a diesel engine is roughly

Tick the correct pair when M denotes the molecular mass and other symbols carry usual meanings:

The Boltzman constant has the value

In an adiabatic process the work is done at the expense of the

In thermodynamics, internal energy is the function of

The behaviour of gases is well accounted by the kinetic theory based on

Pressure applied at any point of gas at rest is transmitted equally to all parts of the gas. This is the statement of:

According to kinetic theory of gases, molecules of a gas behave like

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

In a heat engine, heat is supplied by the

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ECAT Physics Chapter 11 Important MCQ's

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

Maximum density of H₂O is at the temperature