Physics 9th Class English Medium Chapter 7 Properties of Matter Short Questions Preparation

9th Class Physics Chapter 7 Online Preparation

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Online Short Questions For Chapter 7 "9th Class Physics English Medium Chapter 7 Preparation "

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Physics (New Book) - 9th Class Physics English Medium Chapter 7 Preparation

Question # 1

What is meant by Reducing agent? Give examples.

Ans 1: The substance which help the reduction to occur are called reducing agents.
Examples:
1- Almost all metals are good raducals
2- CO,SO, H2, K1 are good reductants.

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Prepare Complete Set Wise Questions For Chapter 7 "9th Class Physics English Medium Chapter 7 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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9th Class Physics English Medium Chapter 7 Preparation - Set 1

Question # 1

What is meant by Reducing agent? Give examples.

Ans 1: The substance which help the reduction to occur are called reducing agents.
Examples:
1- Almost all metals are good raducals
2- CO,SO, H2, K1 are good reductants.

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9th Class Physics English Medium Chapter 7 Preparation - Set 2

Question # 1

Does there exist a fourth state of matter

Ans 1: Yes, Plasma is a fourth state of matter i.e At very high temperature, the collision between atoms and molecules tears off their electrons. Atoms become positive ions. This ionic state of matter is called plasma.

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9th Class Physics English Medium Chapter 7 Preparation - Set 3

Question # 1

Define pressure and write its formula.

Ans 1: Pressure :
The force acting normally per unit area on the surface of a body is called pressure.
SI unit of pressure is Nn^-² also called pascal (Pa).

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9th Class Physics English Medium Chapter 7 Preparation - Set 4

Question # 1

Write one difference and one Similarity between ships and submarines

Ans 1: Ships: Ships can not travel under water
Ships can sink into the water
Sub marines: Submarines can travel under water
Submarines can not sink in to the water.
Ans 2: Similarity: Ships can travel over water
Ships are designed on the same principle of floatation
Sub marines can travel over water
Submarines are designed on the same principle of floatation

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9th Class Physics English Medium Chapter 7 Preparation - Set 5

Question # 1

What is atmospheric pressure? How can we measure the atmospheric pressure?

Ans 1: Atmospheric Pressure:
The earth is surrounded by a cover of air is called atmosphere. It extends to a few hundred kilometers above sea level. Just as certain sea creature live at the bottom of ocean, we live at the bottom of a huge ocean of air.Air is the mixture of gases.
The density of air in the atmosphere is not uniform . It decreases continuously as we go up.

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9th Class Physics English Medium Chapter 7 Preparation - Set 6

Question # 1

Why does the atmosp9heric pressure vary with height

Ans 1: Atmospheric pressure decrease with the increase of height Because as we move from sea level to at some height the density of air is going on the reduce.

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

Question # 1

Define Young's modulus.

Ans 1: The ration of stress to tensile strain is called Young's modulus. Formula: Young Modulus= Stress/Tensile strain

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

Question # 1

What is the working principle of hydraulic press.

Ans 1: Hydraulic press is a machine which is used to lift heavy objects. It works on the principle of Pascal' law.

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Matric Part 1/9th Class Physics Chapter 7 Short Question Test With Answer for Unit 7 Properties of Matter

9th Class English Medium Subjects

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Online Short Questions For Chapter 7 "9th Class Physics English Medium Chapter 7 Preparation "

Physics (New Book) - 9th Class Physics English Medium Chapter 7 Preparation

What is meant by Reducing agent? Give examples.

Explain how a submarine moves up the waters surface and down into water

Define Atmosphere.

Why woodmen block block float on water

On what factors pressure of a liquid depends

How Kinetic molecular model of matter is helpful in differentiating various states of matter

What makes a sucker pressed on a smooth wall sticks to it

Define Elastic Limit

What is meant by elasticity

What is upthrust

Prepare Complete Set Wise Questions For Chapter 7 "9th Class Physics English Medium Chapter 7 Preparation "

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

Set 7

Set 8

9th Class Physics English Medium Chapter 7 Preparation - Set 1

What is meant by Reducing agent? Give examples.

Explain how a submarine moves up the waters surface and down into water

Define Atmosphere.

Why woodmen block block float on water

On what factors pressure of a liquid depends

How Kinetic molecular model of matter is helpful in differentiating various states of matter

What makes a sucker pressed on a smooth wall sticks to it

Define Elastic Limit

What is meant by elasticity

What is upthrust

9th Class Physics English Medium Chapter 7 Preparation - Set 2

Does there exist a fourth state of matter

On which principle ships and submarines float on surface of water and why

Define matter and write name of its three states

What is atmospheric pressure? How can we measure the atmospheric pressure?

How does vacum cleaner work

How vacuumcleaner works?

What makes a sucker pressed on a smooth wall sticks to it

State Hooke's law

What is meant by deforming force

What changes are expected if barometer reading shows a sudden increase

9th Class Physics English Medium Chapter 7 Preparation - Set 3

Define pressure and write its formula.

Write two differences between solid and gas stated of Matter

What is meant by atmospheric ressure

Write two rules of oxidation number?

Give three applications of Pascal law

What is Hook's law? What is meant by elastic limit?

What is upthrust

Define the term pressure

State Pascal's law.

Write the application of Archimedes principles

9th Class Physics English Medium Chapter 7 Preparation - Set 4

Write one difference and one Similarity between ships and submarines

What is up thrust

Define density and write down its mathematical form and unit

On which principle ships and submarines float on surface of water and why

Write two differences between solid and gas stated of Matter

It is easy to fill air in a balloon but it is difficult to remove air from a glass bottle.

What is Hook's law

Write the application of Archimedes principles

A wooden block floats on water why

Explain how a submarine moves up the waters surface and down into water

9th Class Physics English Medium Chapter 7 Preparation - Set 5

What is atmospheric pressure? How can we measure the atmospheric pressure?

On which principle ships and submarines float on surface of water and why

Define Atmosphere.

Write one difference and one Similarity between ships and submarines