Physics 9 Unit 8 MCQs Tests

In this post, we have prepared 6 MCQs test of Federal Board Physics 9 Unit 8 MCQs Tests. For more MCQs Test visit our Online MCQs Test Page.

Physics 9 Unit 8 MCQs Tests

Practice MCQs Test No 1

81

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Class 9 Physics
Unit 8
Practice MCQs Test No 1

1 / 20

Water freezes at:

32 °F

-273K

0 °F

0 K

2 / 20

The SI unit of temperature is:

K

°C

°K

°F

3 / 20

What will be the value of Beta (β) for a solid for which Alpha (α) has a value of 2 x 10^-1 K^-1?

6 x 10^-5 K^-1

2 x 10^-5 K^-1

8 x 10^-5 K^-1

8 x 10^-15 K^-1

4 / 20

Linear expansion depends upon:

Nature of material of rod

Change in temperature

All of above

Length of rod

5 / 20

Which of the following material has large specific heat?

Ice

Mercury

Water

Copper

6 / 20

Celsius equivalent of 0K is:

-273 °C

-459.4 °C

0 °C

100 °C

7 / 20

Normal human body temperature is:

98.6 F

37 °C

37 F

15 °C

8 / 20

Heat is a type of_______ energy:

None of above

Kinetic

Potential

Mechanical

9 / 20

All of the bodies expand ______ on heating:

Constantly

Variable

Uniformly

All of them

10 / 20

Mercury is used as thermometric material because it has:

all of the above properties

low freezing point

Uniform thermal expansion

small heat capacity

11 / 20

Which of the following affects evaporation?

Temperature

Surface of the liquid

Wind

All of the above

12 / 20

Boiling point of water in Fahrenheit is:

373 °F

100 °F

273 °F

212 °F

13 / 20

Temperature is the:

Mass contained by the body

Force of the molecules of body

Degree of hotness or coldness of body

None of above

14 / 20

The characteristic of unequal expansion of different metals is employed in a device known as:

Thermometer

Calorimeter

Thermostat

Burner

15 / 20

Which of the following material has large value of temperature coefficient of linear expansion?

Gold

Steel

Brass

Aluminum

16 / 20

Human normal body temperature of 37 °C in Fahrenheit is:

98 °F

None of above

98.6 °F

100 °F

17 / 20

Linear expansion of a rod occurs along _____ dimension (s):

Three

One

All

Two

18 / 20

A large water reservoir keeps temperature of nearby land moderate due to:

low specific heat of water

Low temperature of water

large specific heat of water

Less absorption of heat

19 / 20

Temperature of 30 °C in Fahrenheit is:

80 °F

90 °F

86 °F

30 °F

20 / 20

Fahrenheit equivalent of 0K is:

-273^oF

-459.4^oF

100^oF

0^oF

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Practice MCQs Test No 2

45

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Class 9 Physics
Unit 8
Practice MCQs Test No 2

1 / 20

Latent heat of vaporization of water is:

3,260,000 Jkg^-1

None of above

2,260,000 Jkg^-1

336,000 Jkg^-1

2 / 20

The device used to measure of the specific heat of an object is:

Thermometer

Burner

Calorimeter

Thermostat

3 / 20

β = _____

5α

2α

3α

α

4 / 20

There are ____ type(s) of expansion(s) take place in a liquid-filled in a container:

Two

Three

Four

One

5 / 20

Quantity of heat changes one kilogram of a liquid into a gas is called:

Specific heat

All of the above

Latent heat of fusion

Latent heat of vaporization

6 / 20

Specific heat of water is:

3200 Jkg^-1K^-1

2100 Jkg^-1K^-1

2500 Jkg^-1K^-1

4200 Jkg^-1K^-1

7 / 20

The quantity of heat that causes 1K Change in temperature in a substance of mass 1Kg is called:

Latent heat

None of above

Specific heat

Heat of exchange

8 / 20

Quantity of heat changes one kilogram of a solid into liquid is called:

All of the above

Latent heat of fusion

Specific heat

Latent heat of vaporization

9 / 20

Unit of specific heat is:

J

JkgK^-1

Jkg^-1K^-1

Jkg^-1K

10 / 20

Unit of latent heat is:

Jkg^-1K

Jkg^-1

Jkg

J

11 / 20

SI unit of Coefficient of linear & volume expansion is:

K^-1

^oC

K

m

12 / 20

The liquid(s) used in thermometers is (are):

Water

Mercury

Both a & b

Alcohol

13 / 20

Cause of land and sea breeze is:

Low freezing point of water

Greater specific heat of water

less specific heat of water

High boiling point of water

14 / 20

Volume expansion depends upon:

All of above

Nature of material of block

Change in temperature

Volume of block

15 / 20

Climate of region near sea shore remains moderate due to :

High boiling point of water

Low freezing point of water

less specific heat of water

Greater specific heat of water

16 / 20

Ice is a (an):

Bad conductor

Perfect conductor

Good conductor

None

17 / 20

Which of the following has the highest specific heat?

Ice

Alcohol

Mercury

Water

18 / 20

Latent heat of fusion of ice is:

None of above

336,000 Jkg^-1

2,260,000 Jkg^-1

3,260,000 Jkg^-1

19 / 20

Thermostat is used in:

All of the above

Electric iron

Refrigerator

Fire alarm

20 / 20

Thermostats works on the principle of:

Anomalous expansion of water

Pascal’s law

Vaporization

Unequal expansion of solids

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Challenge MCQs Test

67

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Class 9 Physics
Unit 8
Full Chapter Challenge Test

1 / 40

The liquid(s) used in thermometers is (are):

Mercury

Alcohol

Water

Both a & b

2 / 40

The characteristic of unequal expansion of different metals is employed in a device known as:

Calorimeter

Thermostat

Thermometer

Burner

3 / 40

Which of the following affects evaporation?

All of the above

Surface of the liquid

Wind

Temperature

4 / 40

Which of the following has the highest specific heat?

Ice

Alcohol

Mercury

Water

5 / 40

Unit of specific heat is:

J

Jkg^-1K

Jkg^-1K^-1

JkgK^-1

6 / 40

Thermostats works on the principle of:

Vaporization

Unequal expansion of solids

Pascal’s law

Anomalous expansion of water

7 / 40

Heat is a type of_______ energy:

Kinetic

Potential

None of above

Mechanical

8 / 40

β = _____

2α

5α

α

3α

9 / 40

Quantity of heat changes one kilogram of a solid into liquid is called:

Latent heat of vaporization

All of the above

Specific heat

Latent heat of fusion

10 / 40

Which of the following material has large value of temperature coefficient of linear expansion?

Steel

Aluminum

Gold

Brass

11 / 40

Thermostat is used in:

Fire alarm

Refrigerator

All of the above

Electric iron

12 / 40

Boiling point of water in Fahrenheit is:

212 °F

100 °F

273 °F

373 °F

13 / 40

Ice is a (an):

Bad conductor

Perfect conductor

Good conductor

None

14 / 40

The device used to measure of the specific heat of an object is:

Calorimeter

Burner

Thermostat

Thermometer

15 / 40

Fahrenheit equivalent of 0K is:

-459.4^oF

0^oF

-273^oF

100^oF

16 / 40

Unit of latent heat is:

J

Jkg^-1

Jkg

Jkg^-1K

17 / 40

Celsius equivalent of 0K is:

100 °C

-273 °C

0 °C

-459.4 °C

18 / 40

Mercury is used as thermometric material because it has:

small heat capacity

all of the above properties

Uniform thermal expansion

low freezing point

19 / 40

SI unit of Coefficient of linear & volume expansion is:

^oC

K

K^-1

m

20 / 40

Normal human body temperature is:

37 F

98.6 F

37 °C

15 °C

21 / 40

The SI unit of temperature is:

°F

°C

°K

K

22 / 40

A large water reservoir keeps temperature of nearby land moderate due to:

Low temperature of water

low specific heat of water

Less absorption of heat

large specific heat of water

23 / 40

The quantity of heat that causes 1K Change in temperature in a substance of mass 1Kg is called:

Heat of exchange

Latent heat

None of above

Specific heat

24 / 40

Temperature of 30 °C in Fahrenheit is:

86 °F

30 °F

80 °F

90 °F

25 / 40

Specific heat of water is:

4200 Jkg^-1K^-1

3200 Jkg^-1K^-1

2100 Jkg^-1K^-1

2500 Jkg^-1K^-1

26 / 40

Quantity of heat changes one kilogram of a liquid into a gas is called:

Specific heat

Latent heat of fusion

Latent heat of vaporization

All of the above

27 / 40

All of the bodies expand ______ on heating:

Variable

Constantly

All of them

Uniformly

28 / 40

There are ____ type(s) of expansion(s) take place in a liquid-filled in a container:

Three

Four

One

Two

29 / 40

Linear expansion depends upon:

Nature of material of rod

Length of rod

All of above

Change in temperature

30 / 40

Latent heat of fusion of ice is:

2,260,000 Jkg^-1

336,000 Jkg^-1

3,260,000 Jkg^-1

None of above

31 / 40

Temperature is the:

Mass contained by the body

Force of the molecules of body

Degree of hotness or coldness of body

None of above

32 / 40

Climate of region near sea shore remains moderate due to :

less specific heat of water

Greater specific heat of water

High boiling point of water

Low freezing point of water

33 / 40

Human normal body temperature of 37 °C in Fahrenheit is:

98.6 °F

100 °F

98 °F

None of above

34 / 40

Which of the following material has large specific heat?

Mercury

Water

Ice

Copper

35 / 40

Volume expansion depends upon:

Change in temperature

Nature of material of block

All of above

Volume of block

36 / 40

Cause of land and sea breeze is:

High boiling point of water

less specific heat of water

Greater specific heat of water

Low freezing point of water

37 / 40

Latent heat of vaporization of water is:

3,260,000 Jkg^-1

2,260,000 Jkg^-1

336,000 Jkg^-1

None of above

38 / 40

Water freezes at:

-273K

0 K

32 °F

0 °F

39 / 40

What will be the value of Beta (β) for a solid for which Alpha (α) has a value of 2 x 10^-1 K^-1?

8 x 10^-5 K^-1

2 x 10^-5 K^-1

8 x 10^-15 K^-1

6 x 10^-5 K^-1

40 / 40

Linear expansion of a rod occurs along _____ dimension (s):

One

Three

Two

All

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