# Selina Physics

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Selina Physics is a textbook for students studying in class 10 under the Indian Certificate of Secondary Education (ICSE) board. The book is published by Selina Publishers and is designed to provide a comprehensive understanding of the subject matter to students.

The book is divided into 12 chapters, each covering a different topic. The first chapter deals with the study of force, including concepts such as translational and rotational motions, moment (turning effect) of a force or torque, couple, equilibrium of bodies, the principle of moments, centre of gravity, uniform circular motion, centripetal and centrifugal force. The second chapter covers work, energy, and power, including topics such as the work-energy theorem, kinetic and potential energy, power, and the principle of conservation of energy.

Chapter 3 is about machines, including simple machines such as the lever, pulley, and wheel and axle, as well as compound machines. Chapter 4 covers the topic of refraction of light at plane surfaces, including concepts such as the laws of refraction, refractive index, and total internal reflection. Chapter 5 deals with refraction through a lens, including topics such as the nature of images formed by lenses, the lens formula, and the magnification produced by lenses.

Chapter 6 is about the spectrum, including topics such as the nature of light, the electromagnetic spectrum, and the dispersion of light. Chapter 7 covers the topic of sound, including concepts such as the nature of sound waves, the speed of sound, and the reflection and refraction of sound waves. Chapter 8 deals with current electricity, including topics such as Ohm’s law, resistance, and the series and parallel combination of resistors.

Chapter 9 is about household circuits, including concepts such as the wiring of a house, the use of fuses and circuit breakers, and the measurement of electrical energy. Chapter 10 covers the topic of electromagnetism, including topics such as the magnetic field, the force on a current-carrying conductor in a magnetic field, and the principle of an electric motor