Viva Physics 9




SKU : E002563   / ISBN : 9789387153141

Publisher : Viva

Out of Stock

Product Description

Book Title:                                                       Viva Physics - 9

Product Code / ISBN Code:                             9789387153141

Syllabus:                                                          CBSE

Publisher:                                                        Viva

Language:                                                       English


Strictly Based on Latest NCERT/ CBSE Syllabus

The book VIVA Physics for Class IX has been written in keeping with the latest NCERT syllabus prescribed by the Central Board of Secondary Education (CBSE). The book has been developed keeping in view the requirement of the students at the secondary level.

Salient features of the book

  • The book has been prepared in accordance with the latest CBSE syllabus and pattern.
  • The book has been written in an informal, interactive style supported by a large number of well-labelled illustrations, diagrams and solved examples.
  • Each chapter is supported by Topic-wise Assignments enabling students to learn the Question-Answering skill.
  • NCERT Textbook (In-Text and Chapter-End) Questions and NCERT Exemplar Questions are provided with solutions.
  • Higher Order Thinking Skills (HOTS), Brain Strain and Value-Based Questions are given to help students apply the facts and concepts learned.
  • Exam Practice Questions and Model Questions are given to help students prepare for examination.
  • Periodic tests are given to enable students make strong-self assessment.
  • In-text pointwise summary is included for a quick revision of the topics covered.
  • Windows to the past developments in science are provided at appropriate places in the book to provide more relevance to the subject described therein.


Chapter 1: Motion • State of rest and motion • Describing the position of an object • Scalar and vector quantities • Distance and displacement • Uniform and nonuniform motion • Speed • Velocity • Acceleration • Graphical representation of motion • Distance-time graphs • Calculation of speed from a distance-time graph • Displacement-time graphs • Speed-time graphs for a body moving along a straight line in a direction: Velocity-time graphs • Calculation of distance travelled from speed-time graphs • Velocity-time graphs • Derivation of the equations of motion by graphical method • Uniform circular motion

Chapter 2: Force and Laws of Motion • Force • Galileo’s concept of motion • Newton’s laws of motion • Inertia and mass • Newton’s first law of motion • Newton’s second law of motion • Momentum • Change in momentum and the second law of motion • Direction of force and direction of motion • Units of force • Impulse of a force • Newton’s third law of motion • Illustrating Newton’s third law of motion • Conservation of momentum

Chapter 3: Gravitation • Newton’s universal law of gravitation • Centre of mass and centre of gravity • Gravitational force between objects of different sizes • Newton’s third law of motion and gravitation • Application of Newton’s law of gravitation • Falling objects and acceleration due to gravity, motion of particles under gravity • Gravity and gravitation • Equations of motion for a body moving under gravity • Mass and weight

Chapter 4: Archimedes’ Principle and Floatation • Thrust and pressure • Buoyancy or upthrust • Archimedes’ principle • Application of Archimedes’ principle • Floatation • Hydrometer

Chapter 5: Work, Energy and Power • Work • Work done when force is not along the direction of motion • Energy • Kinetic energy • Potential energy • Are various forms of energy inter-convertible: Transformation of energy • The simple pendulum: An example of the conservation of mechanical energy • Conservation of energy • Rate of doing work: Power

Chapter 6: Sound • Productions of sound • Sound needs a medium to propagate • Propagation of sound • Waves and wave motion • Mechanical and non-mechanical waves • Longitudinal and transverse waves • Longitudinal Waves • Compression and rarefaction • Transverse waves • Crest and trough • Characteristics of waves • Relationship between wave velocity, frequency, and wavelength for a periodic wave • Speed of sound • Sound travels slower than light – lighting and thunder • Characteristics of sound • Reflection of sound waves • Echo • Reverberation • Practical applications (or uses) of multiple reflection of sound • Megaphone • Ear trumpet (or hearing aid) • Sound boards and curved ceiling and walls in large halls • Audible range • Ultrasound • The human ear

Model Questions for the Year-End Examination

Value-Based Questions

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