# class 12 Notes

## Physics IX Notes Chapter 7 Properties of Matter

Physics IX Notes Chapter 7 Properties of Matter Q.1 explains the kinetic molecular model of matter? Ans. kinetic molecules model of matter:- according to this theory matter consists of small particles called modules. Modules are its made of small a particle called atoms. These molecules are always I state of motion. Their the motion may …

## Physics IX Notes Chapter 6 Work Power and Energy

Physics IX Notes Chapter 6 Work Power and Energy Q.2 Define energy? Also, give its different types?             Ans. energy:- The ability of a body to do work is known as the energy it’s unit the same as work that is jouled.             forms of energy:- different types of energy are given below. (1)    Chemical …

## Physics IX Notes Chapter 5 Gravitation

Gravitation Q.1 state and explain Newton’s law of gravitation? Ans. Newton’s of universal gravitation:-  this law states that in this universe Avery two bodies attract each other with a force which is directly proportional to the product of their masses and inversely proportional  to the square of the distance b/w them. Explanation:- consider two …

## Physics IX Notes Chapter 4 TURNING EFFECT OF FORCES

CHAPTER NO 4 TURNING EFFECT OF FORCES Q.1 explains the various forces acting on a body? Ans. (a) in the earth gravitation field, the attracts everything to ward its center the gravitational force acting on each particle of body is parallel as shown in fig (a) (a)    In figure (b) two a block is shown …

## Physics IX Notes Chapter 3 Dynamic

Chapter 3                 Dynamic Q.1 Define and explain force? Ans. force:-an agent which moves or tends to move a stationary body stops or tends to stop a moving body or tends to change the speed or direction of moving body is known as force. Force is a vector quantity and its unit is Newton. One Newton …

## Physics IX Notes Chapter 2 KINEMATICS

Physics IX Notes Chapter 2 KINEMATICS what is kinematics? Also, define rest and motion? Ans.     Kinematics:-the branch of physics which deals with the study of the motion of bodies without reference to force is called kinematics.             Rest:-if a body does not change its position with respect to its surrounding then the body is called …

## Islamiat Class 9th Notes All Chapter Images

Class 9 Islamiat Notes Notes All Chapters KPK Class 9th KPK all board Islamic Studies Note Chapter 1 – Quran Notes Chapter all  – Love of Allah and Our Messenger.  – Alhamdulillah Note step by step new 2020. pdf and images free download.

## Physics IX Notes Chapter 1 PHYSICAL QUANTITIES AND MEASUREMENT

Physics IX Notes Chapter 1 PHYSICAL QUANTITIES AND MEASUREMENT Q.1      What is physics? Also, describe its important branches? PHYSICS :> The branch of science which deals with the study of properties, energy and their mutual relationship is called physics” Some important branches of physics are given below 1.      Mechanics:-It deals with the motion of bodies …