11th class Physics chapter 6 online mcq test with answers for ICS part 1 Physics chapter 6(Fluid Dynamics)

Question # 1

When hot and cold water are mixed the entropy

Decrease
A
Increase
B
Remains constant
C
Zero
D

Question # 2

The sum of all forms of molecular energies of substance is termed as

Kinetic energy
A
Potential energy
B
Internal energy
C
Heat energy
D

Question # 3

What can be calculated from the curve under PV graph.

Heat
A
Work done
B
Temperatures
C
Internal energy
D

Question # 4

An addition of 400 J of heat casues the increase in internal energy of system is equal to 300 J, then work done will be

100 J
A
200J
B
300 J
C
400 J
D

Question # 5

First law of thermodynamics is based upon law of conservatio of.

Mass
A
Momentum
B
Energy
C
Charge
D

Question # 6

When two obnects are made in thermal contact heaving same temperature then they are at.

Thermal Equilibrium
A
Chemical equilibrium
B
Mechanicla Equilibrium
C
Physical Equilibrium
D

Question # 7

'R' is called

Universal constant
A
Universal per molecule constant
B
Universal gas constant
C
All of the above
D

Question # 8

The process in which no heat enters or leaves the system is known as.

Isothermal process
A
Adiabatic process
B
Isochoric process
C
Isobaric process
D

Question # 9

Chagne in entropy is maximum when temperature of source is that............of sink

Greater than
A
Less than
B
Equal to
C
Zero
D

Question # 10

The chagne in inernal energy is defined as.

Q- W
A
Q- T
B
Q+ P
C
Q - P
D

Question # 11

In an adiabatic process, there is no.

Change in temperature

A
Exchagne of heat

B
Chagne is internal energy

C
Work done

D

Question # 12

Thermodynamics mostly deals with.

Measuremetn of quantity

A
Transfer of quantity of heat

B
Change of state

C
Conversion of heat to other forms of energy

D

Question # 13

What one is not an isothermal change.

Melting of solid
A
Bioling of liquid
B
Bursting of bicycle tyre
C
Slow expansion of gas
D

Question # 14

A device which covnerts thermal eergy into mechanical energy is called.

Turbine
A
Heat engine
B
Carnot engine
C
Rerigerator
D

Question # 15

In all natural prcoessees where heat flow from one system to another there is always a net increase in

Pressure
A
Entropy
B
Work
C
Volume
D

Question # 16

In an isothermal chagne, internal energy.

Decrease
A
Increase
B
Remain same
C
Becomes zero
D

Question # 17

According to kinetic theory of gases, the size of the molecule is.

Much smaller than the separation between molecule

M
A
Much larger than the separation btween molecules

B
Botha a and b

C
Much larger ahtn the separation between atom

D

Sr.#	Question	Answer
1	Thermodynamics mostly deals with.	A. Measuremetn of quantity B. Transfer of quantity of heat C. Change of state D. Conversion of heat to other forms of energy
2	'R' is called	A. Universal constant B. Universal per molecule constant C. Universal gas constant D. All of the above
3	The process in which no heat enters or leaves the system is known as.	A. Isothermal process B. Adiabatic process C. Isochoric process D. Isobaric process
4	What can be calculated from the curve under PV graph.	A. Heat B. Work done C. Temperatures D. Internal energy
5	What happens to internal energy of an object when its temperature.	A. Decreses B. Increases I C. Fluctuates D. Remains Constant
6	A device which covnerts thermal eergy into mechanical energy is called.	A. Turbine B. Heat engine C. Carnot engine D. Rerigerator
7	In an adiabatic process, there is no.	A. Change in temperature B. Exchagne of heat C. Chagne is internal energy D. Work done
8	According to kinetic theory of gases, the size of the molecule is.	A. Much smaller than the separation between molecule M B. Much larger than the separation btween molecules C. Botha a and b D. Much larger ahtn the separation between atom
9	The gas molecule sare in	A. Linear motion B. Random Motion C. Brownian motion D. Circulatory motion
10	KE of molecules of an ideal gas at absolutely zero will be	A. 0 B. Infinite C. Very High D. Below zero

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When hot and cold water are mixed the entropy

The sum of all forms of molecular energies of substance is termed as

What can be calculated from the curve under PV graph.

An addition of 400 J of heat casues the increase in internal energy of system is equal to 300 J, then work done will be

First law of thermodynamics is based upon law of conservatio of.

When two obnects are made in thermal contact heaving same temperature then they are at.

'R' is called

The process in which no heat enters or leaves the system is known as.

Chagne in entropy is maximum when temperature of source is that............of sink

The chagne in inernal energy is defined as.

In an adiabatic process, there is no.

Thermodynamics mostly deals with.

What one is not an isothermal change.

A device which covnerts thermal eergy into mechanical energy is called.

In all natural prcoessees where heat flow from one system to another there is always a net increase in

In an isothermal chagne, internal energy.

According to kinetic theory of gases, the size of the molecule is.

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