In this sense, gamma rays, xrays, microwaves and radio waves are also light. Brightness or intensity of light decreases by the square of the distance from the source inverse square law. Use this crossword puzzle to introduce or reinforce a sound and light waves unit with your class. Hc verma concepts of physics vol 1 pdf download all. One that has a certain direction which seems to be polarity based. Up until a couple centuries ago, we had no idea what light is. If you think the materials are useful kindly buy these legally from publishers. In transverse waves the vibration of the particles is at right angles to the direction of energy transport. Apr 06, 2017 up until a couple centuries ago, we had no idea what light is. This is an introductory text intended for a oneyear introductory course of the type typically taken by biology majors, or for ap physics 1 and 2. An in depth guide to light, optics and colour, covering wave particle duality, reflection, refraction, waves, diffraction, polarisation, birefringence, colour temperature, human perception. This led to the remarkable conclusion that light is an electromagnetic wave. While its good to have a basic understanding of what electromagnetic radiation is, most chemists are less interested in the physics behind this type of energy.
The nature of light as a wave a small disturbance in an electric field creates a small magnetic field, which in turn creates a small electric field, and so on light propagates itself by its bootstraps. Electromagnetic waves light, radio waves, and x rays are examples of. Objectives aims this chapter is essentially an introduction to the wave theory of light. Free pdf download motion mountain the free physics. Newtons laws of motion allen physics particle kinematics allen physics practical physics allen physics rotational motion allen physics temperature scales allen physics wave theory allen physics work energy allen physics this website is created solely for jee aspirants to download pdf, ebooks, study materials for free. More familiar types of waves are sound, or waves on a surface of water. As shown below, an electromagnetic wave is a transverse wave consisting of mutually perpendicular oscillating electric and magnetic fields. Topics covered include re ection and transmission at boundaries, dispersion, polarization e ects, di raction, coherence, ray optics and imaging, the propagation of light in matter, and the quantum nature of light. The compressions and rarefactions of sound waves result in small.
Christian huygens proposed that light travelled as waves. And note that if you measure the weight in n vou must convert it into g or kg. Mar 24, 2006 motion mountain the free physics textbook march 24, 2006 with little mathematics, the text explores the most fascinating parts of mechanics, thermodynamics, special and general relativity, electrodynamics, quantum theory and modern attempts at unification. A line drawn in the direction of propagation of light is called a ray of light. Light reflection and refraction notes for class 10 download pdf. Algebrabased is a secondyear physics course designed for high school students in grade 12 who have completed honors or ap physics 1. The wave nature of light was first illustrated through experiments on diffraction and interference. Apr 22, 2019 electromagnetic waves those waves which do not require a material medium for their propagation, are called electromagnetic waves, e. Learn about some of the mysterious properties of light in these tutorials. We denote the wavelength of light by the symbol wavelengths of visible light are very small. This term is sometimes expanded to include ultraviolet and infrared radiation. Classification of waves according to how particles move through them transverse waves longitudinal waves. Light waves vce the question of what is light was a matter of great debate during the 17th and 18th century.
In the original experiment, a beam of light was shone through two slits. There are familiar, everyday sorts of waves in water, ropes and springs. Electromagnetic waves are ultimately produced by an accelerating charge. The diffraction of light shows that light behaves like a wave because waves of light can interfere with each other. Sep 15, 2006 light waves as well as other electromagnetic waves travel through this medium called aether that permeates all of space in the entire universe. Algebra and trig are used, and there are optional calculusbased sections. State and apply the relation among wavelength, frequency and speed of a.
Christiaan huygens published his wave theory of light in 1690. Light reflection and refraction notes for class 10 formulas download pdf. At any point on the path of a simple harmonic light wave the strengths of the electric and. The frequency, usually denoted by the greek letter. This website is created solely for jee aspirants to download pdf, ebooks, study materials for free.
The density of a regularly shaped object i \ deneitv volume. Waves and wave properties presentation pdf teach engineering. He proposed that light is emitted as a series of waves in a medium called the luminiferous ether. An empirical study on a learning path on wave physics. Motion of the wave s energy motion of individual molecules of the wave transverse waves two motions are perpendicular waves on a string, water surface waves longitudinal waves two motions are parallel sound waves waves can have both transverse and longitudinal motion. These rolling waves are a combination of compressional and transverse waves. A number of problems in the book have been revised from those used at the annual contests organized by the physics faculty of the moscow university.
My text for physical science and engineering majors is simple nature. Waves light and sound collection nsta learning center. By purchasing this file, you agree not to make it publicly available on websites, etc. Many key terms and concepts in the powerpoint files below are intentionally left blank as are some example problems related to the topic of the day. Light waves can interfere with other light waves, canceling or amplifying them. Read book physics light study guide packet answers physics light study guide packet answers physics light study guide packet the physics of light and color. Apr, 2014 water waves earthquakeseismic waves sound waves waves that travel down a rope or spring types of mechanical waves 12. In physics, the term light sometimes refers to electromagnetic radiation of any wavelength, whether visible or not. Light, reflection, and color characteristics of light light is an electromagnetic wave. The nature of light uw madison astronomy department. Light reflection and refraction 161 let us recall these laws i the angle of incidence is equal to the angle of reflection, and ii the incident ray, the normal to the mirror at the point of incidence. James clerk maxwells 1831 1879 theory of electromagnetism, however, showed that light was a wave in combined electric and magnetic. The description of wave phenomena in physics involves fundamental concepts. This book is very much reliable for students who are preparing for this exam.
Instructors are permitted to make and distribute copies for their classes. Longitudinal waves two different motions to describe in a wave. Light is a transverse, electromagnetic wave that can be seen by the typical human. Hc verma concepts of physics vol 1 pdf download all world free.
Chapter 10 applications of the wave nature of light mr. Spectral analysis of solar white light, of a spectral lamp, of a laser beam and of a human. Motion mountain the free physics textbook march 24, 2006 with little mathematics, the text explores the most fascinating parts of mechanics, thermodynamics, special and general relativity, electrodynamics, quantum theory and modern attempts at unification. The human eye is capable of detecting light, which distinguishes it from other regions of the electromagnetic spectrum despite having shared properties with light, most notably speed. In this lesson, youll learn about different kinds of light waves, how they work, and how they are used every day. Hc verma concepts of physics vol 1 pdf download by. The physics of waves version date february 15, 2015. The wave equation outline of mechanical waves longitudinal and transverse waves waves in a string, sound waves the wave equation description of waves using functions of two variables travelling waves the wave equation 0 y v y 1. Hc verma concepts of physics book clarify the concepts of physics from scratch. The problems, most of which are unique, require a fundamental knowledge of the basic laws of physics, and the ability to apply them in the most diverse conditions. Like all types of em radiation, visible light propagates as waves. The faster waves travel, the more crests or compressions pass by you each second. Like all electromagnetic waves, light can travel through a vacuum. This book is very important if you want to clarify the concepts of physics, natural laws, numerical which enhances your thinking capacity.
Light waves, which have been found to exhibit characteristics of particles, behave in certain ways that we can observe by experimentation. Electromagnetic waves, the electromagnetic spectrum and. Physics is an immeasurable subject and it is a difficult task to bound entire physics in 2 books with proper explanation of each and every topic. Light reflection and refraction notes for class 10. This is very similar in concept to the distance between the crests in ocean waves. Hiya, ive been reading up on em waves and i feel im slowly starting to get it, but im not entirely sure if i do, so i was wondering if anyone could help so i can be sure im not making some false conclusions here. In the case of sound waves in air for example, the perturbed quantity is the pressure, which oscillates about the mean atmospheric pressure. Sir isaac newton believed that light was a stream of particles. Scan your calculations exam, save as a pdf file, and attachsend to dr. The course covers topics and concepts typically included in the second semester of an algebrabased, introductory collegelevel physics course.
At this stage you should get a basic understanding of the wave model of light, which involves the idea of light as a complex superposition of many component waves, or elementary waves, each with its own wavelength. You can calculate the speed of a wave if you know its wavelength and frequency using the equation below. Color and light not in textbook sad but true cse486, penn state robert collins physics of light and color light is electromagnetic radiation different colors correspond to different wavelengths. Describe the basic features of the wave model of light. Mar 19, 2017 so as i understand it, these em waves contain an oscillating electrical field part. The transverse nature of light can be demonstrated through polarization. Light is the common name for electromagnetic radiation with wavelengths of 400750 nm. The jee preparation is highly recommended since the jee monitors students conceptual strengths and this book provides an easy way to learn the.
Zitzewitz mcgrawhillglencoe, 2002 light quiz chapter 16 reflection and refraction quiz chapter 17 mirrors and lenses quiz chapter 18 diffraction and interference of light quiz chapter 19. I cant seem to find any answers to the less certain parts here so as i. Hc verma not only explains every concept in his book concepts of physics but try to connect each concept with live examples which are present in front of us so. The text is designed for upperlevel undergraduate students with a physics background. Distinguish between constructive and destructive interference. The physics classroom grants teachers and other users the right to print this pdf document and to download this pdf document for private use. Electromagnetic waves and interference physics science. Thses waves are associated with electrons, protons and other fundamental particles. So that an electron or proton that the light passes through would end up bobbing along with the wave, following the field. Hertz, in 1885, experimentally demonstrated the existence of electromagnetic waves. Free pdf download motion mountain the free physics textbook. Jun 16, 2017 the concepts are given in a very easy to understand format.
However, the energy imparted by the waves is absorbed at single locations the way. Intensity of each wavelength specified by amplitude visible light. Maxwells work thus unified the domain of electricity, magnetism and light. Matter waves these waves are commonly used in modern technology but they are unfamiliar to us. In both cases, there is a perturbation with a periodic spatial pattern which propagates, or travels in space. Youngs double slit experiment shows clearly that light is a wave. Pdf since ancient times, the nature and properties of light have been intensively investigated. In principle, electromagnetic waves may have any wavelength, from zero to arbitrarily long. It covers 23 vocabulary words and includes fun clues that kids will enjoy figuring out. Light waves diffract in the same manner that waves diffract when they collide with an object.
Visible light is only a small portion of the entire electromagnetic spectrum. Phys 201 lecture 18 wave theory of light open yale. The higher the frequency, the more energy in the wave. Describe the dual nature of light, as a continuous wave and a discrete particle photon, and give. They also undergo interference when passing through or reflecting against objects of. Motion of the wave s energy motion of individual molecules of the wave transverse waves two motions are perpendicular waves on a string, water surface waves longitudinal waves two motions are parallel sound waves. Even more important, though only touched on in this book, is the wave phenomenon of quantum mechanics, built into the fabric of our space and time. Interference is described using real and complex numbers in anticipation of quantum mechanics. Electromagnetic waves those waves which do not require a material medium for their propagation, are called electromagnetic waves, e. Transverse waves particles move perpendicular to the motion of the wave 14.
It is often convenient to represent electromagnetic wave phenomena i. The pdf file below accompanies the electromagnetic spectrum interactive infographic the physics classroom grants teachers and other users the right to print this pdf document and to download this pdf document for private use. Sound and light waves crossword puzzle by puzzles to print. Giving it a name the luminiferous aether didnt help.
Phys 201 lecture 18 wave theory of light open yale courses. In order to observe the wave behavior of light, the slit size and separation should be comparable or smaller than the wavelength of light. The pdf file below accompanies the wave addition interactive. There are less visible but equally pervasive sound waves and electromagnetic waves. Since light can be analysed as a complex mixture of a huge number of individual electromagnetic waves, the important properties of light and other electromagnetic waves can therefore be understood in terms of the properties of these simple elementary waves. This chapter uses simple and fun videos that are about five.
58 853 35 983 102 405 505 413 804 383 1160 525 907 643 351 519 864 1574 681 34 26 340 680 242 1425 1168 1004 320 1267 254 1301 835 528