Physics 9th Class English Medium Chapter 8 Thermal (Properties of Matter) Short Questions Preparation with Answers

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Online Short Questions For Chapter 8 "9th Class Physics English Medium Chapter 8 Preparation "

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Physics (New Book) - 9th Class Physics English Medium Chapter 8 Preparation

Question # 1

Which flower is used as natrual thermometer?

Ans 1: The crocus flower is a natural thermometer. It opens when temperature is precisely 23 oC and closes when temperature drops.

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Prepare Complete Set Wise Questions For Chapter 8 "9th Class Physics English Medium Chapter 8 Preparation "

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Set 2

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Set 3

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Set 4

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Set 5

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Set 6

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Set 7

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Set 8

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Set 9

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Set 10

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Set 11

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9th Class Physics English Medium Chapter 8 Preparation - Set 1

Question # 1

Which flower is used as natrual thermometer?

Ans 1: The crocus flower is a natural thermometer. It opens when temperature is precisely 23 oC and closes when temperature drops.

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9th Class Physics English Medium Chapter 8 Preparation - Set 2

Question # 1

What is meant by thermal expansion?

Ans 1: If change in temperature cause the change in length, or volume of a substance then it is called as thermal expansion of that substance.

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9th Class Physics English Medium Chapter 8 Preparation - Set 3

Question # 1

Define volume thermal expansion and temperature co-efficient of volume expansion

Ans 1: Volume thermal expansion: Solid material expend in volume when heated. This process is called volume thermal expansion.
Ans 2: Co-efficient of volumetric thermal expansion: The fractional change in the volume of a substance per kelvin change in temperature.
Ans 3: Unit: SI unit of volume expansion is k
The co-efficient if volumetric thermal expansion

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9th Class Physics English Medium Chapter 8 Preparation - Set 4

Question # 1

How specific heat differs from heat capacity

Ans 1: Specific heat: Specific heat of substance is amount of heat require to raise temperature of 1 kg of threat substances mass of that substance through 1k
Ans 2: Heat Capacity: Heat capacity of a body is quantity of thermal energy absorbed by it for one Kelvin rise in temperature.
Its unit is jk

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9th Class Physics English Medium Chapter 8 Preparation - Set 5

Question # 1

What is the use of thermometer

Ans 1: Thermometer: A thermometer is a device which is used to measure the temperature of a body mercury is preferred as a thermometric substance due to following properties.
It is easily visible
It has uniform thermal expansion
It has low freezing point and ight boiling point
It has a small specific heat capacity.

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9th Class Physics English Medium Chapter 8 Preparation - Set 6

Question # 1

What is absolute zero

Ans 1: Absolute zero: Absolute zero is equal to 273c The change in temperature is equal in =

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9th Class Physics English Medium Chapter 8 Preparation - Set 7

Question # 1

What are Kelvin scale and Fahrenheit scale

Ans 1: Fahrenheit scale: On Fahrenheit scale, the interval between lower and upper fixed points is divided into 180 equal parts Its lower and upper fixed points are and respectively
Ans 2: Kelvin scale: In Kelvin scle the interval between the lover and upper fixed point on this scale corresponds to 273 K and upper fixed point is referred as 373 The zero on this scale is called the absolute zero and is equal to 273c

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9th Class Physics English Medium Chapter 8 Preparation - Set 8

Question # 1

What is a relationship between the coefficient of linear and bolume expansion

Ans 1: The coefficient of linear and volume expansion are related by the equation
B=3a

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9th Class Physics English Medium Chapter 8 Preparation - Set 9

Question # 1

What is meant by bimetallic strip

Ans 1: Bimetallic strip: Bimetallic strip is strip which is consists of two different metals, usually brass and iron.
Ans 2: Uses of bimetal strip: Bimetal strips are used in thermometers to measure temperatures especial in furnaces and ovens.
Bimetal strips are used in thermostats to control the temperature of heater coil in an electric iron.

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9th Class Physics English Medium Chapter 8 Preparation - Set 10

Question # 1

Define upper and lower fixed points of a thermometer

Ans 1: Upper fixed Point: Upper fixed point is marked toi show position of liquid in thermometer when it is placed in steam at standard pressure above boiling water.
Ans 2: Lower Fixed Point: Lower fixed point is marked to show position of liquid in thermometer when it is placed in ice.

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9th Class Physics English Medium Chapter 8 Preparation - Set 11

Question # 1

Define thermal expansion

Ans 1: Thermal expansion: Expansion due to heating is called thermal expension
Ans 2: Explanation: Most of the substances solids liquids and gases expand on heating and contract on coaling. The Kinetic energy of the molecules of an object depends on its temperature. The molecules of a solid vibrate with larger amplitude at high temperature than at low temperature.

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Matric Part 1/9th Class Physics Chapter 8 Short Question Test With Answer for Unit 8 Thermal Properties of Matter

9th Class English Medium Subjects

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Online Short Questions For Chapter 8 "9th Class Physics English Medium Chapter 8 Preparation "

Physics (New Book) - 9th Class Physics English Medium Chapter 8 Preparation

Which flower is used as natrual thermometer?

Does water nd spirit evaporate at same rate

What will be heat capacity of 5kg water

Write names of two scales of measuring temperature

What is the effect of surface area on the evaporation

What is the difference between linear thermal expansion and volume thermal expansion

What are Kelvin scale and Fahrenheit scale

How evaporation differs from vaporization

What is a relationship between the coefficient of linear and volume expansion.

What is meant by linear thermal expansion.

Prepare Complete Set Wise Questions For Chapter 8 "9th Class Physics English Medium Chapter 8 Preparation "

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

Set 7

Set 8

Set 9

Set 10

Set 11

9th Class Physics English Medium Chapter 8 Preparation - Set 1

Which flower is used as natrual thermometer?

Does water nd spirit evaporate at same rate

What will be heat capacity of 5kg water

Write names of two scales of measuring temperature

What is the effect of surface area on the evaporation

What is the difference between linear thermal expansion and volume thermal expansion

What are Kelvin scale and Fahrenheit scale

How evaporation differs from vaporization

What is a relationship between the coefficient of linear and volume expansion.

What is meant by linear thermal expansion.

9th Class Physics English Medium Chapter 8 Preparation - Set 2

What is meant by thermal expansion?

What is a relationship between the coefficient of linear and volume expansion.

Define upper and lower fixed points of a thermometer.

Differentiate between heat and Internal energy

Write the scales of temperature?

Differentiate between freezing and melting point

How specific heat differs from heat capacity

What is difference between temperature and heat

How can Celsius scale be converted into Kelvin and Fahrenheit scales

What is the effect of temperature on evaporation.

9th Class Physics English Medium Chapter 8 Preparation - Set 3

Define volume thermal expansion and temperature co-efficient of volume expansion

What is temperature

How temperature determines the direction of flow of heat

Why bottoms of cooking pots are made black?

Why wet clothes dry up more quickly in summer then winter

Write two factors on which evaporation dpends

Define Latent Heat of fusion?

What are the factors on which internal energy depends upon

What is meant by freezing point

Define coefficient of linear thermal expansion

9th Class Physics English Medium Chapter 8 Preparation - Set 4

How specific heat differs from heat capacity

Define internal energy

Give the names of factors on which evaporation of a liquid depends

Write the value of latent heat of fusion not aluminum and copper

Write names of types of thermal volume expansion for liquids

Define heat capacity of a body

Define Evaporation

On what factors, radiation depends?

Why does heat flow from hot body to cold body

Write formula for heat capacity.

9th Class Physics English Medium Chapter 8 Preparation - Set 5

What is the use of thermometer