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

133

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Class 9 Physics
Unit 8
Practice MCQs Test No 1

1 / 20

Which of the following material has large specific heat?

Copper

Mercury

Ice

Water

2 / 20

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

Calorimeter

Thermometer

Thermostat

Burner

3 / 20

Water freezes at:

32 °F

0 K

0 °F

-273K

4 / 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?

8 x 10^-5 K^-1

8 x 10^-15 K^-1

2 x 10^-5 K^-1

6 x 10^-5 K^-1

5 / 20

Which of the following affects evaporation?

Wind

Surface of the liquid

Temperature

All of the above

6 / 20

All of the bodies expand ______ on heating:

Variable

All of them

Uniformly

Constantly

7 / 20

Temperature of 30 °C in Fahrenheit is:

90 °F

86 °F

30 °F

80 °F

8 / 20

Mercury is used as thermometric material because it has:

low freezing point

small heat capacity

all of the above properties

Uniform thermal expansion

9 / 20

Temperature is the:

Degree of hotness or coldness of body

Mass contained by the body

None of above

Force of the molecules of body

10 / 20

Boiling point of water in Fahrenheit is:

373 °F

212 °F

100 °F

273 °F

11 / 20

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

low specific heat of water

Low temperature of water

Less absorption of heat

large specific heat of water

12 / 20

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

Two

Three

One

All

13 / 20

The SI unit of temperature is:

°K

°F

°C

K

14 / 20

Heat is a type of_______ energy:

Mechanical

Kinetic

Potential

None of above

15 / 20

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

None of above

98.6 °F

98 °F

100 °F

16 / 20

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

Brass

Gold

Aluminum

Steel

17 / 20

Linear expansion depends upon:

Nature of material of rod

Length of rod

All of above

Change in temperature

18 / 20

Celsius equivalent of 0K is:

0 °C

-273 °C

-459.4 °C

100 °C

19 / 20

Normal human body temperature is:

37 °C

15 °C

37 F

98.6 F

20 / 20

Fahrenheit equivalent of 0K is:

100^oF

-273^oF

0^oF

-459.4^oF

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Practice MCQs Test No 2

66

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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

β = _____

3α

2α

α

5α

3 / 20

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

Specific heat

Latent heat of vaporization

All of the above

Latent heat of fusion

4 / 20

Thermostat is used in:

All of the above

Fire alarm

Refrigerator

Electric iron

5 / 20

Climate of region near sea shore remains moderate due to :

Low freezing point of water

Greater specific heat of water

High boiling point of water

less specific heat of water

6 / 20

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

Calorimeter

Thermometer

Burner

Thermostat

7 / 20

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

Specific heat

All of the above

Latent heat of vaporization

Latent heat of fusion

8 / 20

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

Three

One

Two

Four

9 / 20

Which of the following has the highest specific heat?

Mercury

Alcohol

Ice

Water

10 / 20

Latent heat of fusion of ice is:

336,000 Jkg^-1

None of above

3,260,000 Jkg^-1

2,260,000 Jkg^-1

11 / 20

Unit of specific heat is:

JkgK^-1

Jkg^-1K

J

Jkg^-1K^-1

12 / 20

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

Latent heat

Specific heat

Heat of exchange

None of above

13 / 20

Cause of land and sea breeze is:

less specific heat of water

Low freezing point of water

High boiling point of water

Greater specific heat of water

14 / 20

Specific heat of water is:

4200 Jkg^-1K^-1

2500 Jkg^-1K^-1

3200 Jkg^-1K^-1

2100 Jkg^-1K^-1

15 / 20

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

Alcohol

Water

Mercury

Both a & b

16 / 20

Thermostats works on the principle of:

Unequal expansion of solids

Vaporization

Anomalous expansion of water

Pascal’s law

17 / 20

Volume expansion depends upon:

All of above

Volume of block

Nature of material of block

Change in temperature

18 / 20

Unit of latent heat is:

Jkg^-1

Jkg

Jkg^-1K

J

19 / 20

SI unit of Coefficient of linear & volume expansion is:

K

K^-1

^oC

m

20 / 20

Ice is a (an):

Perfect conductor

None

Bad conductor

Good conductor

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Challenge MCQs Test

95

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Class 9 Physics
Unit 8
Full Chapter Challenge Test

1 / 40

Cause of land and sea breeze is:

High boiling point of water

Greater specific heat of water

less specific heat of water

Low freezing point of water

2 / 40

β = _____

5α

3α

α

2α

3 / 40

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

Three

Two

All

One

4 / 40

Ice is a (an):

Good conductor

Bad conductor

None

Perfect conductor

5 / 40

Celsius equivalent of 0K is:

0 °C

100 °C

-459.4 °C

-273 °C

6 / 40

Latent heat of fusion of ice is:

2,260,000 Jkg^-1

3,260,000 Jkg^-1

None of above

336,000 Jkg^-1

7 / 40

Thermostats works on the principle of:

Vaporization

Anomalous expansion of water

Pascal’s law

Unequal expansion of solids

8 / 40

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

Mercury

Water

Both a & b

Alcohol

9 / 40

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

Specific heat

None of above

Heat of exchange

Latent heat

10 / 40

Linear expansion depends upon:

Length of rod

Nature of material of rod

All of above

Change in temperature

11 / 40

Heat is a type of_______ energy:

Potential

None of above

Kinetic

Mechanical

12 / 40

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

Low temperature of water

low specific heat of water

large specific heat of water

Less absorption of heat

13 / 40

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

Specific heat

Latent heat of vaporization

All of the above

Latent heat of fusion

14 / 40

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

Three

Four

One

Two

15 / 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

16 / 40

Which of the following has the highest specific heat?

Water

Mercury

Ice

Alcohol

17 / 40

Fahrenheit equivalent of 0K is:

0^oF

-273^oF

100^oF

-459.4^oF

18 / 40

Normal human body temperature is:

15 °C

98.6 F

37 °C

37 F

19 / 40

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

Calorimeter

Thermostat

Thermometer

Burner

20 / 40

Temperature of 30 °C in Fahrenheit is:

30 °F

80 °F

90 °F

86 °F

21 / 40

Volume expansion depends upon:

Change in temperature

Nature of material of block

All of above

Volume of block

22 / 40

Unit of specific heat is:

Jkg^-1K

Jkg^-1K^-1

JkgK^-1

J

23 / 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

24 / 40

All of the bodies expand ______ on heating:

Constantly

Variable

Uniformly

All of them

25 / 40

Which of the following material has large specific heat?

Ice

Mercury

Copper

Water

26 / 40

Mercury is used as thermometric material because it has:

all of the above properties

small heat capacity

low freezing point

Uniform thermal expansion

27 / 40

SI unit of Coefficient of linear & volume expansion is:

K^-1

K

m

^oC

28 / 40

Specific heat of water is:

3200 Jkg^-1K^-1

2100 Jkg^-1K^-1

2500 Jkg^-1K^-1

4200 Jkg^-1K^-1

29 / 40

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

Specific heat

All of the above

Latent heat of fusion

Latent heat of vaporization

30 / 40

The SI unit of temperature is:

°C

K

°K

°F

31 / 40

Which of the following affects evaporation?

Temperature

Surface of the liquid

Wind

All of the above

32 / 40

Unit of latent heat is:

Jkg^-1

Jkg^-1K

J

Jkg

33 / 40

Water freezes at:

32 °F

0 °F

-273K

0 K

34 / 40

Boiling point of water in Fahrenheit is:

273 °F

212 °F

373 °F

100 °F

35 / 40

Thermostat is used in:

Electric iron

All of the above

Refrigerator

Fire alarm

36 / 40

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

98 °F

None of above

98.6 °F

100 °F

37 / 40

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

Calorimeter

Thermostat

Thermometer

Burner

38 / 40

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

Gold

Steel

Aluminum

Brass

39 / 40

Climate of region near sea shore remains moderate due to :

less specific heat of water

Low freezing point of water

Greater specific heat of water

High boiling point of water

40 / 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?

2 x 10^-5 K^-1

8 x 10^-15 K^-1

8 x 10^-5 K^-1

6 x 10^-5 K^-1

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