Introduction 9 Class Physics Notes Download PDF
Do you think that physics is difficult? We are providing you with the solution to this difficulty, in the form of Physics 9 Class Notes. These notes are a complete guide to MCQs and solutions to numerical and short questions. You can download notes from our website and get good-quality Physics 9 Class Notes for your syllabus.
You will learn all the topics of Physics 9 class notes like working on screw gauges, Speed, velocity, momentum, force, friction, gravitation, Newton’s law, Elasticity, Young’s modulus, Heat, and Temperature, etc. We are also providing Chemistry 9 class notes of the Punjab board.
Physics 9 Class Notes Punjab Board
| Chapter 1 Physical Quantities and Measurement |
| Chapter 2 Kinematics |
| Chapter 3 Dynamics |
| Chapter 4 Turning Effect of Forces |
| Chapter 5 Gravitation |
| Chapter 6 Work & Energy |
| Chapter 7 Properties of Matter |
| Chapter 8 Thermal Properties of Matter |
| Chapter 9 Transfer of Heat |
Chapter 1 – Physical Quantities and Measurement
You can define the crucial role of Physics in Technology, Science, and Society and also Science is based on physical amounts, which are made up of numeric magnitude and one unit. In Physics 9 class notes differentiate between the bases and derived physical quantities. You can record the 7 units of SI along with their physical quantities and symbols.
Interchanged the preformative and symbols to identify multiples and submultiples for both bases and obtained units. You can respond in measurements and calculations using scientific notation. Explain the working of calipers and screw gauges for measuring length. Identify and explain the shortcomings of measurement of tools, such as meter rules, calipers, and screw gauges.
You can explain why substantial figures are necessary for test results to be recorded and staged.
Chapter 2 – Kinematics
Learning outcomes of this chapter, you can define all topics of Physics 9 class notes
- How is it possible for an object to be in motion when at rest?.
- Identify different types of motion.
- Contrast using examples of displacement and distance, velocity and speed.
- Explain with illustrative comparisons of vector and scalar quantities.
- Draw to represent vector quantities.
- Explain the term velocity, acceleration, and speed.
- Understand and create the speed-time and distance-time graphs.
- Explain the slope of the speed-time and distance-time graph.
- How to determine a body’s condition based on the graph’s shape.
- Move at a constant speed
- Move with variable speed.
- At rest
Chapter 3 -Dynamics
Learning outcomes define friction, inertia, force, momentum, etc.
Using the formula Force = Change in Momentum/Change in Time to solve numerical issues. To elaborate the idea of force with instances from everyday life also State Newton’s motion laws.
Differentiate using the relationship between mass and weight and the formulas F= ma and w= mg.
You can measure the tension and acceleration in a string and state that the rule of conservation of momentum also defines the idea of conservation of momentum when two objects collide. As well as utilizing the rule of conservation, calculate the velocity following a collision between two objects. of momentum. Elaborate on the impact of friction on a vehicle’s motion.
You can give the demo that rolling Slider friction is significantly more than rolling friction. List different techniques for reducing friction.
Chapter 4 – Turning Effect of Forces
After learning this chapter, you can define:
- Define parallel forces that are similar and dissimilar.
- Provide the head-to-tail rule for adding forces and vectors in vector form.
- Explain how to resolve a force into its perpendicular components.
- Explain the direction of a force and the magnitude of its perpendicular components.
- Define the moment of force or torque as the moment.
- Explain the turning effect of force.
- Name the moment’s principle.
- Describe the center of gravity and the center of mass of a object.
- Define a as a combination of forces that work together to produce rotation.
- The couple shares the same moments regarding every point as evidence.
- Explain equilibrium and list the several kinds.
- For the balance of a body state, the two conditions.
Chapter 5 – Gravitation
Learning outcomes state Newton’s law of gravitation. You can Explain how the gravitational field serves as an example of a field of force and how the gravitational forces are consistent with Newton’s third law. Define weight and calculate the mass of the earth by using the law of gravitation.
You can solve problems according to Newton’s law of gravitation and the value of g decreases with altitude from the surface of the Earth. Also, elaborate on the motion of artificial satellites.
Chapter 6 – Work & Energy
After studying this chapter, you can define work and its SI unit. Calculate work done using the equation Work = force x distance travelled in the force’s direction. You can define potential energy, kinetic energy, and energy as a state unit of energy. Describe the processes converted by which energy.
- fossil fuel energy
- hydroelectric generation
- solar energy
- nuclear energy
- geothermal energy
- wind energy
- biomass energy
In this unit, you can state the mass-energy equation, forms of energy, and major sources of energy, efficiency, and Power.
Chapter 7 – Properties of Matter
After learning this chapter, you can define the Kinetic molecular model of matter. Describe briefly the fourth state of matter, the term density, and the pressure the atmosphere exerts pressure.
You can elaborate on the pressure on the liquid, state Pascal’s law, and the principle of floatation. Also explain elasticity, stress, strain, and Young’s modulus.
Chapter 8 – Thermal Properties of Matter
Learning outcomes are:
- Define temperature.
- Define heat.
- List the basic thermometric properties of the materials needed to make a thermometer.
- Temperature conversion from a single scale to another.
- Explain what specific heat capacity and heat capacity are.
- Explain the fusion and vaporization heats.
- Describe how cooling is caused by evaporation.
- Thermal expansion.
Chapter 9 – Transfer of Heat
After studying this chapter, you can define how to transfer thermal energy from a region of higher temperature to a lower temperature area. Also, using molecules and electrons as an example the mechanism of heat transfer in solids. You can explain the term Thermal Conductivity.
Address issues based on the solid conductors’ thermal conductivity. As well as describe the fluid convection currents. due to differences in density. Explain that insulation decreases conduction-based energy transfer and describes the procedure of radiation from all objects. Consequences and everyday applications of heat transfer.
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9th class Physics exam preparation
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