ECAT Pre Computer Science Chapter 11 MCQ Test With Answer

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

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Abdullah Baloch 28 - Jul - 2024 06 Min 01 Sec 60/60
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Vertex Gaming 16 - Jul - 2024 01 Min 06 Sec 55/60
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Ali Kumail 29 - May - 2024 01 Min 41 Sec 55/60
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Astha 01 - Feb - 2024 06 Min 49 Sec 40/60
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urooj urooj 17 - Jul - 2024 02 Min 12 Sec 35/60
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Kashif Siddiqui 14 - Sep - 2024 03 Min 17 Sec 35/60

ECAT Physics Chapter 11 Important MCQ's

Sr.#	Question	Answer
1	Maximum density of H₂O is at the temperature	A. 32°F B. 39.2°F C. 42°F D. 4°F
2	The product of the pressure and volume of an ideal gas is	A. A constant B. Approximately equal to the universal gas constant C. Directly proportional to its temperature D. Inversely proportional to its temperature
3	While deriving the equation for pressure of a gas we consider the	A. rotational motion of molecules B. vibrational motion of molecules C. linear motion of molecules D. all of them
4	When two objects are rubbed together, their internal energy	A. remains same B. decreases C. remains the same then decreases D. increases
5	The Boltzman constant has the value	A. 1.38 x 10^-23JK^-1 B. 1.28 x 10^-23JK^-1 C. 1.38 x 10^-26JK^-1 D. 1.28 x 10^-26JK^-1
6	Adiabatic change occurs when the gas	A. expands B. compressed C. expands or compressed D. expands or compressed rapidly
7	If a process cannot be retraced in the backward direction by reversing the controlling factors, it is	A. a reversible process B. an irreversible process C. any one of them D. both of them
8	It is impossible to devise a processes which may convert heat, extracted from a single reservoir, entirely into work without leaving any change in the working system. This is the statement of	A. Clausius statement of second law B. Kelvin'sstatement of second law C. Clausius statement of first law D. Kelvin's statement of first law
9	If an amount of heat enters the system it could	A. decrease the internal energy B. not change the internal energy C. increase the internal energy D. none of them
10	Melting point of ice	A. Increases with increasing pressure B. Decreases with increasing pressure C. Is independent of pressure D. Is proportional to pressure

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ECAT Pre Computer Science Chapter 11 MCQ Test With Answer

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

ECAT Physics Chapter 11 Heat & Thermodynamics

Heat travels through vacuum by

The internal energy of a system does not depend upon the

Which of the following is not an assumption of kinetic energy

The Boltzman constant has the value

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

The bicycle pump provides a good example of

On the exaust stroke, the outlet values opens. The residual gases are expelled and piston moves

If the ratio of densities of two gases is 1:4, then the ratio of their rates of diffusion into one another is

A carnot cycle consists of

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

The value of E0in coulomb's law is:

If R is gas constant for 1 gram mole, Cpand Cvare specific heat for a solid then

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

In the formula P = N0KT, N0denotes:

Amount of heat required to raise the temperature of a body through 1 K is called its

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

ECAT Physics Chapter 11 Important MCQ's

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Arsal

The value of E₀in coulomb's law is:

If R is gas constant for 1 gram mole, C_pand C_vare specific heat for a solid then

In the formula P = N₀KT, N₀denotes: