new Guess Class 9th Physics 2023 All Punjab

 new Guess Class 9th Physics  2023 All Punjab

Plasma & geo physics, base & drived quantities. prefixes, least count of Varnier stop watch, scalar & vector, speed & velocity, momentum, mass & weight, inertia, methods of reducing friction, banking of road.like & unlike prallel. regid body, moment arm. Centre of mass& gravity. couple equilibrium & states. gravitation law, gravitational field strength, geostationary orbit joule,k.E, soil erosion, efficiency. power & watt. kentic model. plasma. pressure. application of Pascal law. upthurst force, stres, deforming force, hooks law, thermometer and liquid properties, lower & upper fixed point, specific heat, latent heat of fusion. coeffiçent óf linear and volume expansion, evaporation. convention. conduction. radiation, sea breaze. conven…

Physics-9th Guess

Short Questions 

Unit #1

Mechanics, Plasma Physics, Derived units, Pitch and Least count of screw gauge,

Questions 1.5, 1.7, 1.12

Numerical Problems 1.3, 1.7, 1.9

Unit #2

 uniform velocity and acceleration , gravitational acceleration 

Questions 2.5, 2.10, 2.12

Numerical Problems 2.1, 2.2, 2.6

Unit #3

 2nd law of motion, friction, methods to reduce it,  centripetal force, centripetal acceleration

Questions 3.5, 3.6, 3.19

Numerical Problems 3.1-3.5, 3.8

Unit #4

 resolution of force, its perpendicular components, moment arm, principle of moments, couple, neutral equilibrium

Questions 4.8, 4.9, 4.13

Numerical Problems 4.3, 4.6

Unit#5

 gravitational field, artificial satellites

Questions 5.16

Numerical Problems 5.8

Unit #6

 joule, geothermal energy, efficiency, watt 

Questions 6.6, 6.9, 

Numerical Problems 6.3, 6.6, 6.7

Unit #7

 Density, Pascal's law, principle of flotation, Difference between ship and submarine, stress, Hooke's law, Young's modulus

Questions 7.6, 7.9, 7.16

Numerical Problems 7.2, 7.4, 7.5, 7.6, 7.8

Unit #8

 Difference between temperature and heat, latent heat of vaporization 

Questions 8.8, 8.11

Numerical Problems 8.2, 8.4, 8.5, 8.8

Unit #9 convection, Difference between Sea breeze and Land breeze , global warming. 

Questions 9.2, 9.7

Numerical Problems -

Prepare all the MCQs written on PTB book.