0 Chapters Selected

Distance and displacement, velocity; uniform and non-uniform motion along a straight line; acceleration, distance-time and velocity-time graphs for uniform motion and uniformly accelerated motion, equations of motion by graphical method; elementary idea of uniform circular motion.

00:58:40

00:58:51

00:47:18

00:42:49

01:12:25

01:20:25

### Lecture 7: Motion in one Dimension Part-7

00:39:26

Force and Motion, Newton’s Laws of Motion, Action and reaction forces, Inertia of a body, Inertia and mass, Momentum, Force and Acceleration. Elementary idea of conservation of Momentum.

00:49:44

### Lecture 2: Force and Newton's laws Part-2

00:57:03

Gravitation; universal law of gravitation, force of gravitation of the earth (gravity), acceleration due to gravity; mass and weight; free fall.

01:01:15

### Lecture 8: Gravitation Part 2

01:01:30

Work done by a force, energy, power; kinetic and potential energy; law of conservation of energy.

00:53:21

01:16:09

### Lecture 3: Work Energy & Power Energy Part- 3

00:31:48

Nature of sound and its propagation in various media, speed of sound, range of hearing in humans; ultrasound; reflection of sound; echo and SONAR. Structure of the human ear (auditory aspect only).

00:52:22

00:39:37

00:45:10

### Lecture 4: Sound Part 4

00:29:51

Published    04-Feb-2017      Bilingual

## COMPLETE COURSE OF CLASS 9TH PHYSICS

Study Khazana delivers CBSE Class 9th Physics, twenty one video lectures by Sameer Kholi  on Physics Complete Course with complete solutions using sample paper based on NCERT Syllabus. This chapter covers the following topic to make students understand the topic and covers the whole chapter with all the question and answers.

## WHAT DO YOU STUDY IN MOTION IN ONE DIMENSION?

• Meaning of Distance and displacement,
• Explain velocity,
• Define uniform and non-uniform motion along a straight line,
• Definition of acceleration,
• Concept of distance-time and velocity-time graphs for uniform motion and uniformly accelerated motion,
• What is the equation of motion by graphical method?
• Describe elementary idea of uniform circular motion.

## WHAT WE STUDY IN FORCE LAWS OF MOTION?

• Meaning of forces?
• Explain effect of forces?
• Define balanced forces,
• Definition of unbalanced forces,
• Concept of laws of motion,
• What is Newton’s Law of Motion?
• Describe Newton’s first laws of motion,
• Meaning of mass and interia.

## WHAT DO YOU STUDY IN GRAVITATION?

• Meaning of Gravitation,
• Explain universal law of gravitation,
• Define force of gravitation of the earth (gravity),
• Definition acceleration due to gravity,
• Concept of mass and weight,
• What is free fall?

## WHAT DO YOU STUDY IN WORK, POWER AND ENERGY?

• How work done by a force?
• Meaning of energy,
• Define power,
• Explain kinetic and potential energy,
• Describe law of conservation of energy.

## WHAT DO YOU STUDY IN SOUND?

• Explain Nature of sound and its propagation in various media,
• Define speed of sound,
• Explain range of hearing in humans,
• What is ultrasound?
• Describe reflection of sound,
• Meaning of echo,
• Definition of SONAR,
• What is the Structure of the human ear (auditory aspect only)?

## HOW WE HELP THE STUDENTS?

These video lectures will make the subject easy for students. The free lecture is available as a demo. We provide mock exams after completion of the full course. These lectures are recording of the live session taken. It will include question and answers of the students undertaken during the class. CBSE Class 9th previous question papers and sample papers are also given to the students for practice. Video Lectures classes are taken by Study Khazana’s best faculties. Video lectures contain examples and formulas related to different topics. We have doubt sessions on YouTube related to students queries asked on WhatsApp. These classes are based on NCERT Syllabus. We also provide MCQ questions reated to chapters. We also have Android and IOS Study Khazana mobile app for helping students to study anywhere at any time.

#### Sameer Kohli

Mr. Kohli, founder of Jupiter Education Planet, is a visionary in the field of education and holds an experience of more than 15 years as a Mathematics and Science teacher. Owing to his student-friendly teaching style, he has been able to build an unflinching reputation for himself. He is not only an excellent teacher who has delivered exceptional results throughout his career, but also has a deep insight into child and parent psychology. Over the years, he has acquired expertise in the areas of motivation and counselling of parents and children to help them take better decisions. With a passion to change lives for the better, Mr. Kohli knows the right approach to help children in optimum decision making at both personal and professional level.

##### Qualification

B.Sc. (Hon.) (D.U.)

10 years

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