Physics 9th Class Chapter 2 (Kinematics) English Medium Short Questions

9th Class Physics Chapter 2 Online Preparation

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Online Short Questions For Chapter 2 "9th Class Physics English Medium Chapter 2 Preparation "

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Total Questions10
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Physics (New Book) - 9th Class Physics English Medium Chapter 2 Preparation

Question # 1

Define Brownain motion

Ans 1: Define Brownian motion
Ans 2: Random motion of gas molecules is called Brownian motion

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Prepare Complete Set Wise Questions For Chapter 2 "9th Class Physics English Medium Chapter 2 Preparation "

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Set 2

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Set 3

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Set 4

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Set 10

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Set 11

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Set 12

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9th Class Physics English Medium Chapter 2 Preparation - Set 1

Question # 1

Define Brownain motion

Ans 1: Define Brownian motion
Ans 2: Random motion of gas molecules is called Brownian motion

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

Question # 1

Define rest

Ans 1: A body is said to be at rest, if it is not changing its position with respect to its surroundings.
Ans 2: Example A tree with respect to a platform is at rest because it does not change its position

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9th Class Physics English Medium Chapter 2 Preparation - Set 3

Question # 1

What is the equation of motion

Ans 1: Equation of Motion:
Equations of motion for uniformly acceleratedmotion are
Vf= Vi +at
S= Vit +1/2at²
2aS =Vf²-Vi²

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9th Class Physics English Medium Chapter 2 Preparation - Set 4

Question # 1

Write three equations of motion for bodies moving under gravity.

Ans 1: Following are the equations of motion under gravitation.
First equation of motion vf= vi+gt

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9th Class Physics English Medium Chapter 2 Preparation - Set 5

Question # 1

What is difference between positive acceleration and negative acceleration

Ans 1: Negative acceleration: Acceleration of body is negative if velocity of the body decreases with time The negative acceleration is also called deceleration or retardation.
When moving bodies stops it gives retardation
The direction of negative acceleration is opposite to the direction in which the body in moving.
Ans 2: Positive acceleration of a body is positive if its velocity increases with time.
When velocity of body increases then acceleration is positve.
The direction of positive acceleration is the same in which the body is moving without change in its direction.

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9th Class Physics English Medium Chapter 2 Preparation - Set 6

Question # 1

What is scalar quantity and also give example.

Ans 1: A quantity which can be described by its magnitude only is called scalar quantity Example: Distance, work,power etc.

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

Question # 1

Differentiate between Rest and motion.

Ans 1: Rest: A body is said to be at rest , if it is not changing its position with respect to its surroundings. Examples: A wall ii. A chair
Ans 2: Motion: A body is said to be in motion,if it changes its position with respect to its surroundings. Example: Moving car ii. Flying Aeroplane.

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

Question # 1

When doses the acceleration of a body is positive and negative.

Ans 1: When the velocity of a moving body is increasing with time its acceleration is positive When the velocity of a moving body is decreasing with time its acceleration is taken as negative it is also called retardation or deceleration,

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

Question # 1

How a vector can be represented graphically

Ans 1: Graphically a vector can be represented by a line segment with an arrow head.
Example: In figure, a line AB write arrow head on one side. The length of line shows the magnitude of vector and the arrow head shows its direction.

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9th Class Physics English Medium Chapter 2 Preparation - Set 10

Question # 1

How is a vector represented

Ans 1: There are two methods to represent a vector

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9th Class Physics English Medium Chapter 2 Preparation - Set 11

Question # 1

Define kinematics

Ans 1: Kinematics:
The study of motion of objects without discussing the cause of motion is called kinematics.

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9th Class Physics English Medium Chapter 2 Preparation - Set 12

Question # 1

Difference between scalar and vector.

Ans 1:
Scalar:
1- A scalar quantity is described completely by its magnitude only.
2- Mass, length, time etc are examples of scalars.
Ans 2: Vector:
1- A vector quantity is described completely by magnitude and direction.
2- Velocity, force, displacement are examples of vectors.

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Physics

2nd Unit

9th class Physics Chapter 2 (English Medium)

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Matric Part 1/9th Class Physics Chapter 2 Short Question Test With Answer for Unit 2 Kinematics

9th Class English Medium Subjects

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Online Short Questions For Chapter 2 "9th Class Physics English Medium Chapter 2 Preparation "

Physics (New Book) - 9th Class Physics English Medium Chapter 2 Preparation

Define Brownain motion

Define axis:

Sketch a distance-time graph for a body starting from rest. How will you determine speed of body from this graph

Define uniform acceleration

What is graph

When a body falls freely, which quantity remains the same and which increases

Sketch a speed time graph of on object moving with uniform

Does speedometer of a car measure its velocity.

Define circular motion.

Define speed and write its unit.

Prepare Complete Set Wise Questions For Chapter 2 "9th Class Physics English Medium Chapter 2 Preparation "

Set 1

Set 2

Set 3

Set 4

Set 5

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Set 7

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Set 9

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Set 12

9th Class Physics English Medium Chapter 2 Preparation - Set 1

Define Brownain motion

Define axis:

Sketch a distance-time graph for a body starting from rest. How will you determine speed of body from this graph

Define uniform acceleration

What is graph

When a body falls freely, which quantity remains the same and which increases

Sketch a speed time graph of on object moving with uniform

Does speedometer of a car measure its velocity.

Define circular motion.

Define speed and write its unit.

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

Define rest

What is rotatory motion? Give example.

A body is moving with uniform speed

Define variable.

Define rotatory motion. With example.

Differentiate speed and velocity.

Define kinematics

Differentiate between distance and displacemnt.

In the absence of air resistance during the free fall motion, which body ground first light or heavy

What would be shape of speed-time graph of a body moving with variable speed.

9th Class Physics English Medium Chapter 2 Preparation - Set 3

What is the equation of motion

A body is moving with uniform speed

Define velocity and rite its equation

Define terminal velocity

Define axis:

Write types of motion types of Motion:

How a vector can be represented graphically

Write down the formula and unit to find Acceleration.

Why does the velocity of a thrown up body become zero at the highest point

Define speed and write its unit.

9th Class Physics English Medium Chapter 2 Preparation - Set 4

Write three equations of motion for bodies moving under gravity.

Does speedometer of a car measure its velocity

Can a body moving at a constant speed have acceleration?

Define Brownain motion

Differentiate between Rest and motion.

Define vibratory motion and give example.

What is velocity

Define variable.

Write types of motion types of Motion:

Define vibratory motion.

9th Class Physics English Medium Chapter 2 Preparation - Set 5