New physics guess paper.

New Guess Paper Class 9th Physics
(According to a new book and past papers)

Chapter 1 

Physical Quantities and Measurements.

Short questions of chapter 1

1. Define Physics and Also its given breaches?

a) mechanics

b) thermodynamics

c) magnetism

d) Geophysics

2. Define significant figures and their rules?

3. Describe a digital stopwatch?

4. State briefly about the vernier caliper and screw gauge?

5. State all base quantities?

6. Describe the physical balance

7. Write some branches of Physics and explain any two of them?

8. What are derived quantities?

 Long Questions of chapter 1

1. Explain density and volume. State about measuring cylinder?

2. Explain prefixes and write some important prefixes?

3. What is the physical balance and write its uses?

Chapter 2
 ( Kinematics )

Short Questions of chapter 2

1. Define rest and motion

2. What is the difference between distance and displacement?

3. Define acceleration and its unit?

4. Define scalar and vector quantities?

5. Define motion under gravity and give some examples?

6. Define velocity and speed?

7. Write three equations of motion?

8. Explain the distance-time graph and speed-time graph?

 long questions of chapter 2

1. Write the difference between translatory motion, rotatory motion, and vibratory

motion and give one example of these motions

2. Why gravity is taken positively for an object moving in a downward direction and why

gravity is taken negatively for an upward direction explain this?

3. Briefly explain vector and scalar quantities and write their examples?

Chapter 3 
( Dynamics )

 Short questions of chapter 3

1. State Newton's first law of motion?

2. Define momentum with SI unit?

3. Show the relation between applied force and the acceleration produced in the body?

4. Define friction and also define static and kinetic friction?

5. Define the force acting on an object in circular motion?

6. Explain centrifugal force and centripetal acceleration

7. Write the Difference between mass and weight

8. Define the advantages and disadvantages of friction

long Questions of chapter 3

1

2. Estate Newton's second law of motion and drive the relation of force

F=ma?

3. Explain uniform circular motion and also explain centripetal acceleration?

Chapter 4 
Turning effect of forces 

Short Questions of chapter 4

1. Write three necessary conditions for two forces to form a couple?

2. Described head-to-tell rule of the vector addition of forces?

3. Define like and unlike forces?

4. How force can be resolved into its perpendicular component?

5. What do you mean by a moment of force?

6. State the principle of the moment?

7. list three states of equilibrium?

 Long questions of chapter 4

1. Explain states of equilibrium and write all three states of equilibrium and also

define them?

2. Briefly Explain equilibrium and write the first condition of equilibrium and the second condition of equilibrium?

3. Give a detailed explanation of the resolution of forces with derivation?

Chapter 5 
( Forces and Matter )

Short questions of chapter 5

1. State Hooke's law?

2. Define the term pressure and write down the SI unit of pressure?

3. Define a hydraulic machine?

4. Write two properties of spring?

5. Define the process of stretching the spring?

6. What are high pressure and low pressure?

7. Briefly define factors affecting pressure?

8. What is the spring constant in Hooke's law?

 Long questions of chapter 5

1. Give a detailed explanation of hook law and write its formula?

2. Write Pascal's law with a full explanation?

3. Define pressure. How can we calculate pressure and write its formula?

Chapter 6 

( Gravitation )

Short Questions of chapter 6

1. Define gravitational field with an example?

2. Define field force?

3. Calculate the mass of the earth by using Newton's law of gravitation?

4. Define the term critical velocity?

5. Define the term communication satellite?

6. Difference between a natural satellite and an artificial satellite?

7. Write down any three characteristics of gravitational force?

8. Define gravitational constant and acceleration due to gravity also?

 long questions of chapter 6

1. Give a detailed explanation of Newton's law of gravitation and also derived its

formula?

2. Define the Law of gravitation and the third law of motion?

3. Define artificial satellite and natural satellite and state Newton's law of gravitation in the motion of satellite with derivation?

Chapter 7 
Properties Of Matter 

Most important short Questions of chapter 7

1. Write a similar description of the particles that make up a solid?

2. Why is the kinetic module of matter called kinetic?

3. Define three States of matter: solid liquid and gas?

4. Define volume and temperature?

5. What is the effect of temperature on the average translational kinetic energy of molecules?

6. Which is the most compressible matter?

7. Define the kinetic energy of molecules?

8. Define the motion of liquid molecules and gas molecules?

 long Questions of chapter 7

1. Briefly describe the pressure-volume relationship in gases?

2. Describe the following

a) what happened to the motion of the molecules of a gas when it cools down?

b) what happens to the motion of a liquid when it cools down

3. Briefly describe the compressibility of solid liquid and gas?

Chapter 8 
Energy Sources And Transfer Of Energy 

 Short of chapter 8

1. Define work and power?

2. Define Kinetic energy?

3. Why is fossil fuel energy called a non-renewable source?

4. Define solar energy and its importance in Pakistan

5. What is wind energy?

6. Write a note on renewable energy sources?

7. Write a note on non-renewable energy sources?

8. Define efficiency with Write its formula only?

9. Drive the formula of work?

10. What is efficiency and describe the efficiency of the ideal engine?

11. Drive the formula of gravitational potential energy?

Chapter 9 ( Thermal properties of matter )

Short of chapter 9

1. Define thermal expansion?

2. Define volumetric expansion?

3. Define heat and write its SI unit?

4. Explain specific heat capacity?

5. explain in detail why evaporation causes cooling?

6. why does a solid increase in size on heating?

7. Write the Difference between heat and temperature?

8. Define three temperature scales Celsius, Fahrenheit, and Calvin?

Long questions of chapter 9

1. Briefly explain a specific heat capacity and write its formula?

2. Explain the heat of fusion and heat of vaporization?

3. Briefly explain the evaporation process and why evaporation is slow in winter?

Prepared by | M.A f Saleem.