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Physics is an interesting subject and it is surety that if you will take interest in this subject from the beginning then you will be able to get good grades in this subject in final exams. The problem is mutual with every student that is they think from the beginning that they will never handle this subject. Now it is time when papers are on a head and many from you or almost everyone who is here is just looking for some study material to prepare themselves for this subject. Anyhow just take a look on given below links and get that board physics subject guess papers from where you are doing your study.

9th Class Physics Guess Paper 2020

9th Physics Unit 1

Important Definitions

• Physics
• Base Quantities And Derived Quantities
• Zero Error And Error Correction
• Mechanics
• Atomic Physics
• Plasma Physics
• Electromagnetism
• Nuclear Physics
• Base And Derived Units
• Least Count
• Electronic Balance
• Physical Balance

Important Short Questions

• Differentiate Between Mechanical Stopwatch And Digital Stopwatch
• Write In Scientific Notation. (Any Term)
• Advantages/Role Of Physics In Daily Life

Important Long Questions

• Rules For Identifying Significant Figures
• Screw Gauge (Uses And Functions)
• Meter Rule

9th Physics Unit 2

Important Definitions

• Translatory Motion
• Linear Motion
• Uniform Velocity
• Rest And Motion
• Random Motion
• Negative Acceleration
• Gravitational Acceleration
• Acceleration And Speed
• Distance And Displacement

Important Short Questions

• Name The Types Of Motion
• A Car Starts From Rest Its Velocity Becomes 20 Ms-1 In 8 Seconds. Find The Acceleration.
• Find The Acceleration That Is Produced By 20N Forces In The Mass Of 8 Kg.
• Derive 1st Equation Of Motion

Important Long Questions

• 2nd Equation Of Motion With The Help Of Graph
• A Cricket Ball Hit Vertically Upward Returns To The Ground After 6 Seconds. Calculate Its Velocity.
• A Train Starts From Rest With An Acceleration Of 0.5 Ms-2. Find Its Speed In Kmh-1 When It Had Moved 100 Meter.
• 3rd Equation Of Motion With The Help Of Graph
• Prove That Vf= Vi+At

9th Physics Unit 3

Important Definitions

• Momentum
• Inertia
• Law Of Conservation Of Momentum
• Centripetal Force
• Circular Motion
• Newton’s 2nd Law Of Motion
• Rolling Friction
• Sliding Friction

Important Short Questions

• What Is Meant By Banking Of Roads?
• Write Units Of    A) Momentum       B) Force
• Differentiate Between Mass And Weight
• Two Methods To Reduce Friction

Important Long Questions

• The Relation Between Force And Momentum
• Difference Between Mass And Weight
• Benefits And Disadvantages Of Friction And Methods To Reduce Friction
• Newton’s 1st Law Of Motion
• Newton’s 2nd Law Of Motion
• How Much Centripetal Force Is Needed To Move A Body Of Mass 0.5 Kg In A Circular Path Of Radius 50 Cm With A Speed 3 Ms-1

9th Physics Unit 4

Important Definitions

• Torque And Couple
• The Moment Arm Of Force
• Center Of Gravity
• Rigid Body
• Moment Arm
• 2nd Condition For Equilibrium
• Axis Of Rotation
• Resolution Of Vectors

Important Short Questions

• State Princiaple Of Moments
• Differentiate Between Like And Unlike Parallel Forces
• What Is Meant By Resolution Of Force? Resolve A Force Into Its Components
• Find The Center Of Gravity Of An Irregular With The Help Of The Experiment.
• Describe The Line Of Action Of A Force

Important Long Questions

• A Numerical Will Come From This Chapter

9th Physics Unit 5

Important Definitions

• Law Of Gravitation
• The Force Of Gravity (Gravitational Force)
• Global Positioning System. GPS
• Field Of Force
• Artificial Satellites
• Geostationary Satellites

Important Short Questions

• On What Factors The Orbital Speed Of Satellites Depends?
• Uses Of Artificial Satellites
• How The Value Of  “G” Varies With Altitude?

Important Long Questions

• Determine The Mass Of Earth Using Newton’s Law Of Gravitation

9th Physics Unit 6

Important Definitions

• Wind Energy
• Kinetic Energy
• Magma
• Fossil Fuel
• Fossils
• Potential Energy
• Unit Of Power
• Solar Cell

Important Short Questions

• Name The Types Of Energy
• Einstein Mass-Energy Equation
• Differentiate Between Renewable And Non-Renewable Sources Of Energy
• Name The Renewable And Non-Renewable Sources Of Energy

Important Long Questions

• Working And Construction Of A Nuclear Power Station
• A Numerical Will Come From This Unit (A Cyclist Does, A Machine Does Work, A Stone Of Mass 500 G, Calculate The Power Of The Pump)

9th Physics Unit 7

Important Definitions

• Hook’s Law
• Atmospheric Pressure
• Density And Its Unit
• Pascal’s Law
• Heat
• Pressure And Its Unit
• Temperature

Important Short Questions

• Differentiate Between Stress And Strain

Important Long Questions

• Explain That The Pressure Of A Liquid Increases With Depth.
• Define Young’s Modulus And Derive Its Mathematical Form.

9th Physics Unit 8

Important Definitions

• Evaporation
• Specific Heat Capacity
• Latent Hear Of Fusion
• The Internal Energy Of A Body
• Specific Heat

Important Short Questions

• Define The Coefficient Of Linear Thermal Expansion
• How Upper And Lower Points Are Fixed On A Thermometer?
• State Kinetic Molecular Model

Important Long Questions

• How Much Heat Is Required To Increase The Temperature Of 0.5 Kg Of Water From 100 C To 350 C?
• Convert 500 Celcius Into Fahrenheit
• Explain Volumetric Thermal Expansion And Derive Its Equation
• Explain Latent Heat Of Fusion And Latent Heat Of Vaporization And Write Its Formulae

9th Physics Unit 9

Important Definitions

• Conduction
• Greenhouse Effect