Download physics formulas and concept pdf for class 11, 12, IITJEE, PMT and other competitive exams. 9 0 obj endobj CHAPTER FORMULAS & NOTES Formulae For WAVE OPTICS. >> /BBox [0 0 31.8900 18.6020] <> >> /Matrix [2.2578 0 0 3.8705 0 0] >> Authors have attempted a simpli ed presentation of the essential topics rather than taking a comprehensive and detailed approach. You can determine the wave frequency and period, predict how fast light travels in various materials, and determine how light […] 3 clickers have quiz data logged, but no registration: •! https://engineering.eckovation.com/important-formulas-for-jee-mains-physics <> Further, it involves integrating ray-estimated field over a mirror, lens or aperture for the calculation of the scattered or transmitted field. Free PDF download of Physics Class 11 Chapter 15 - Waves Formula Prepared by Subject Expert Teacher at Vedantu. /BBox [0 0 31.0040 30.1180] endobj >> To Register Online Physics Tuitions on Vedantu.com to clear your doubts from our expert teachers and solve the problems easily to score more marks in your CBSE Class 11 Physics Exam. endobj In Wave Optics, you should concentrate more on problems of Interference, Diffraction, and Young’s double slit experiment. Wave Optics Wave front The wave front at any instant is defined as the locus of all the particles of the medium which are in the same state of vibration. If a plane wavefront falls on a convex mirror, the shape of the reflected light is spherical. <> endobj /Filter /FlateDecode This is a complete set of notes of Ray Optics and Optical Instruments which is a part of Physics syllabus for NEET, JEE. The wave optics class notes pdf is the compilation of detailed theory part, solved examples, HC Verma questions and Previous year Questions. stream 34 0 obj <> <> Or Aan imaginary surface passing through particles oscillating with same phase is known as wavefront A point source of light at a finite distance in an isotropic medium emits a spherical wave The resultant wave will have a higher amplitude. <> Solution: Given, y=8−3x,y=8-\sqrt{3}x,y=8−3​x, which is straight-line equation. (a) Each point on a wave front acts as a source of new disturbance and emits its own set of spherical waves called secondary wavelets. ֜Z*AubO,�3���-���W8�j ��=���Q���>θ0�F��S>�{��S?��b��̦lC��hS����d��ɂ� <> x�u�=KA����S�f��w�BP���U@AL�߹x�\��5�����1y�;~`|*�? <> To facilitate this process, we make use of the following complex number to represent the wave field. Make a handmade note of all the formulas being highlighted. /Filter /FlateDecode endobj 25 0 obj >> <> endobj <> Polarization as Huygens assumed light waves to be mechanical disturbances which are longitudinal in nature. You can view these formulas on our official website and all study material is available in PDF format for free. (e.g., sun, candle, electric arc) Translucent medium:- It is a medium through which light is propagated partially. Depending on the shape of the source of light, wavefronts can be of three types. Amplitude of light waves, A∝1rA\propto \frac{1}{r}A∝r1​, and, Intensity of light waves, I∝1r2I\propto \frac{1}{{{r}^{2}}}I∝r21​. 1�>�w�2i���&9��Ӊ�(Z���&(ȡ,3���ͻ�N �Mɠݼc�~s)�"��=�#���{JX�]��%����vi�h̨�.4N���?��[�� Α���%\��B�H*�lMd4��R/o+� >> /Subtype /Form <> Transverse waves are waves in which the direction is perpendicular to the direction of motion. This medium is called ether. 39 0 obj >> /BBox [0 0 46.9490 17.7170] /BBox [0 0 33.6610 13.2870] <> <> <> The direction in which light travels is called a ‘ray’ of light. /BBox [0 0 50.4920 34.5470] The wave optics class notes pdf is the compilation of detailed theory part, solved examples, HC Verma questions and Previous year Questions. 28 0 obj Wave Optics Chapter Ten WAVE OPTICS 10.1 INTRODUCTION In 1637 Descartes gave the corpuscular model of light and derived Snell’s law. 17 0 obj /Length 217 40 0 obj How do you differentiate between constructive and destructive interference? stream x�U�� endobj endobj In Physics, wave optics or physical optics are a branch of optics in which a phenomenon where ray approximation of geometric optics is not valid such as polarization, diffraction or on interference, etc.. 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Wave Optics Chapter Ten WAVE OPTICS 10.1 INTRODUCTION In 1637 Descartes gave the corpuscular model of light and derived Snell’s law. 31 0 obj ���w�P04�375UI��2T0 BC#=Css einn����e��"�y��5�4u ,,5�5-L4�4cB�x�\��9�M��f���������6@`�� ��a ��\{��I% g�y'���t}���;"� 3Bj�D���3"7�|���[m쉑�g|����0�pa��~v�����D��w0�xw5N:?D��l�**�=������2���\"�1�g�?��F �f��)T0��W0���P Waves Optics Equations and Formulas for students. In this App we tried to consolidate all Physics Formulas and equation required for Solving numerical . /BBox [0 0 99.2130 33.6610] Waves Optics Equations and Formulas in pdf endobj endobj Huygens wave theory was able to explain phenomena like reflection, refraction, interference, and diffraction of light. /Matrix [0.7257 0 0 2.2578 0 0] <> /BBox [0 0 31.8900 18.6020] 27 0 obj endstream /Filter /FlateDecode /Matrix [0.7257 0 0 2.1389 0 0] endobj 24 0 obj 20 0 obj ... is known as the wave equation from which he predicted the existence of electromagnetic waves*. 12 0 obj In 1801, British Physicist Thomas Young showed experimentally by interference experiment that light also has wave nature and thus wave optics came into existence. Since the area of waves and oscil-lations is ubiquitous in science and engineering, authors hope that this book ��ێ�?�Y endstream >> According to wave theory of light, the light is a form of energy which travels through a medium in the form of transverse wave motion. Optics— 567 Optics Formulas Light Right-Hand Rule Light is a transverse electromagnetic wave. The speed of light in a medium depends upon the nature of medium. When light is emerging from a point source, the wavefronts are spherical in shape. /Subtype /Form It is concise and contains all formulas. [13 0 R] endstream Important notes are also helpful for revision when you have less time and have to study many topics. One supports the particle nature of light; the other supports the wave nature. Further, it involves integrating ray-estimated field over a … These secondary wavelets spread out in all directions with the velocity of the wave. Important notes of Physics for NEET, JEE for Ray Optics and Optical Instruments are useful for all aspirants preparing for entrance exams including JEE, NEET. Wave optics Nov 3, 2011 11/3/11 1 •! Ans-Yes, it is possible to have all of the major physics formulas in one place by checking out Entrancei's website, one of India's top companies. Important notes of Physics for NEET, JEE for Wave Optics are useful for all aspirants preparing for entrance exams including JEE, NEET. /Filter /FlateDecode ��V\Į��^��"%C ��|n]�7�� ���ؒ�:�',�y�O��!#ԝ�*���|CP�R�`����a�}� �굹R>#�tc�L���ؚd_���_��š��m(�XZ�Н�w�u� <> Thus, a wave normal is the same as a ray of light. Also includes the value of Physical constants. When the source of light is linear, the wavefronts are cylindrical in shape. (a) Each point on a wave front acts as a source of new disturbance and emits its own set of spherical waves called secondary wavelets. To facilitate this process, we make use of the following complex number to represent the wave field. tions of Schr odinger’s wave equation in quantum mechanics. 35 0 obj 13 0 obj In this case, Amplitude of light waves, A∝1rA\propto \frac{1}{\sqrt{r}}A∝r​1​, Intensity of light waves I∝1rI\propto \frac{1}{r}I∝r1​. <> As the wave must be perpendicular to the wavefront, it will make an angle of 60∘60{}^\circ60∘ with the x-axis. The concept of wavefronts for reflection and refraction is explained below. If the plane wavefronts are being reflected on the plane mirror, the shape of the wavefront of the reflected light is again planar. To Register Online Physics Tuitions on Vedantu.com to clear your doubts from our expert teachers and solve the problems easily to score more marks in your CBSE Board exams. /Subtype /Form • In Optics, you need to complete Ray optics first, which is easier to study. /Tabs /S Physics is one of the most feared subjects in class 12 because of its complex theories and physics formulas list. /Matrix [2.1389 0 0 5.4187 0 0] when the light is coming from a very far-off source, the wavefronts are planar. endobj /Subtype /Form All points on a wavefront act as sources of new waves, and the envelope of these sec-ondary waves constitutes the new wavefront. The nature of linear wave equation guarantees that waves can be superimposed: we may combine an array of waves by algebra, as far as each of them are proper solution of the wave equation. 3 0 obj endobj Thus, the section of optics that deals with the behavior of light and its wave characteristics is said to be wave optics. Sir Isaac Newton stands as a prominent figure that supported the voice of particle nature of light, who proposed a corpuscular theory which states that “light consists of extremely light and tiny particles known as corpuscles which travel with very high speeds from the source of light to create a sensation of vision by reflecting on the retina of the eye”. Physics Formulas PDF for Class 11 and Class 12 Physics formulas from Mechanics, Waves, Optics, Heat and Thermodynamics, Electricity and Magnetism and Modern Physics. >> x�m�� A wavefront is represented by the plane y=8−3xy=8-\sqrt{3}xy=8−3​x. Refractive index 5. Class 12 Physics notes Chapter 10 Wave Optics. A lens can be used to change the shape of wavefronts. Refractive index 5. ... in the plane transverse to the direction of propagation of light. 1. Real depth and Apparent depth 6. We will learn about the concept of wave optics for IIT JEE in detail here. >> 2. >> (e.g., paper, ground, glass) <> /Length 159 /Length 168 endobj But failed to explain: According to Maxwell, light is not a mechanical wave. <> Wave optics stands as a witness for a famous standoff between two great scientific communities who dedicated their lives to understanding the nature of light. /BBox [0 0 48.7200 17.7170] stream endstream This would help in proper revision and a quick glance whenever required. The resultant wave will have a low amplitude. /Length 132 2.2 Refraction Physics Formulas PDF for Class 11 and Class 12 Physics formulas from Mechanics, Waves, Optics, Heat and Thermodynamics, Electricity and Magnetism and Modern Physics. Or Aan imaginary surface passing through particles oscillating with same phase is known as wavefront A point source of light at a finite distance in an isotropic medium emits a spherical wave x�mͽ endobj If a plane wavefront falls on a plane surface the refracted ray will also have a plane wavefront. I hope to convert you to a way of thinking about waves that will permanently change the way you look at … Huygens’ Principle states a very fundamental property of waves, which will be a useful tool to explain certain wave phenomena, like refraction below. 48 0 obj /Subtype /Form No one dared to challenge Newton’s corpuscular theory until Christopher Huygens proposed his wave theory of light in the early 18th century. <> x�m�=O1��H��Pc;�H� ����T�J����ɵW�,O��kBce���^r�OH�CV$��S����WNo9=����h@�ȉ��ePA'���E�'���P�~�ݽC{��]m,XT�ټ��BȽ|���$�^���-�O�q�_u��.�TO?s��@$��F��h��D�������zKn�b���:�^ K? If a plane wavefront falls on a concave mirror, the shape of the reflected light is spherical. /Filter /FlateDecode Wave optics also called Physic optics deals with the study of various phenomena such as polarization, diffraction, interference and other occurrences where ray approximation of geometric optics cannot be done. Know More about these in Wave Optics … <> /Tabs /S <> 29 0 obj It includes all the topics given in NCERT class 12 Physics textbook. <> 42 0 obj >> endobj /Subtype /Form /Filter /FlateDecode It covers all the aspects of Mechanics , Thermal Physics, Electrostatics and current electricity , magnetism ,Ray Optics, Wave optics … 5 0 obj As it has a negative slope, the wavefront is represented like. stream >> endobj *Eh���������g���A��#c�$t�܏׏o(zoل�_V3E3���O��y�v�W�8��㜥(J�k�����,z†��5tFw+K[YH�����-�׻l%3���b&q��RH���O��dl|jh8v�3W>�� o�[� endobj endobj <> The physics formulas for the 12th standard are provided here which will make it easy for students to revise all they have learned. Chapter: Ray Optics & Optical instruments & Wave Optics XII Physics All distances are measured in meter (m) Snell’s law states n = sin i/ sin r n is refractive index i is the angle of incidence r is the angle of refraction Sign convention distances measured in the same direction as incident light is positive 8 0 obj /Subtype /Form Relation between Refractive indices According to Snell's law By Snell’s law 4. 649314 •! Revision Notes on Wave Optics. From the wave equation, Maxwell could Revision Notes on Ray Optics and Optical Instruments:-Reflection:-Light:-it is an agent which produces in us the sensation of sight.It is a form of energy. endobj Users can download CBSE guide quick revision notes from myCBSEguide mobile app and my CBSE guide website. >> 622961 •! endobj Huygens Principle:-Wave-front of a wave, at any instant , is defined as the locus of all the particles in the medium which are being disturbed at the same instant of time and are in the same phase of vibration. Mirror Formula 3. /Filter /FlateDecode It explained the laws of reflection and refraction of light at an interface. 2.2 Refraction Wave optics describes the connection between waves and rays of light. 19 0 obj 16 0 obj <> 46 0 obj endobj endobj x�U�� /Filter /FlateDecode 43 0 obj endobj So, the wavefront can be represented as a straight line having a slope tan⁡θ=−3.\tan \theta =-\sqrt{3}.tanθ=−3​. Destructive interference: If crest of one wave meets the trough of other wave is known as destructive interference. Ray Optics Formulaes 1. But is students understand the concepts behind the formulas properly they can enjoy learning the subject. The R.K. Malik's Newton Classes offers classroom contact programmes & comprehensive JEE correspondence course which is the closest one can get to classroom programme for JEE Main / Advanced / NEET / ISI preparation.The course also wraps in itself our experience in successfully training thousands of students in classrooms over a decade . endobj /Matrix [1.4260 0 0 2.0841 0 0] <> Authors have attempted a simpli ed presentation of the essential topics rather than taking a comprehensive and detailed approach. Here we are providing Allen institute wave optics class notes pdf for JEE Main 2018 exam.Download Wave optics class notes pdf free of cost from below and share the post. stream Transparent medium: - It is a medium through which light can be propagated easily. 44 0 obj Examples of transverse waves include light and vibrations of a string. <> x�m�� These physics formulae helps class 11 and class 12 students in quick revision for CBSE, NEET, IIT JEE Mains, and IIT JEE Advanced. Free PDF download of Physics Class 11 Chapter 15 - Waves Formula Prepared by Subject Expert Teacher at Vedantu. endobj The electric E and magnetic M fields are perpendicular to each other and to the propagation vector k, as shown below. stream endobj Ray Optics Formulaes 1. In wave optics, the approximation is carried out by using ray optics for the estimation of the field on a surface. endobj ]QQ�l�P�[U�)�f��z�k�/`x_ <> endobj <> /Matrix [1.4778 0 0 4.0640 0 0] <> /Filter /FlateDecode endstream A perpendicular drawn to the surface of a wavefront at any point, in the direction of propagation of light, is called “wave normal”. �@��@�!c]�$M�;� /Matrix [0.7007 0 0 4.0640 0 0] 6 0 obj www.ncerthelp.com (Visit for all ncert solutions in text and videos, CBSE syllabus, note and many more) Physics Notes for Class 12 Chapter 10 Wave Optics Wave optics describes the connection between waves and rays of light. 14 0 obj 41 0 obj 3. x�mλ Here are some wave formulas that are useful when you’re working with optics. 1 0 obj Diffraction is a phenomenon in which wave passes through a slit or obstacles. If E oscillates back and forth in a straight line, the wave is said to be CHAPTER FORMULAS … ... the charge accelerated by incident electromagnetic wave radiates in all direction. >> Y�7�M��3� According to wave theory of light, the light is a form of energy which travels through a medium in the form of stream 21 0 obj �@E����[��q�N�"���v�J�*�ߺ�s�{3��N����� [18 0 R] endobj Exam 2 next Monday: same procedures as last time •! If a plane wavefront falls on a converging (or) diverging lens, the emergent light will have a spherical wavefront. 1E�@�aʤH�G^b�����-�Z���:�D��;�6猳5�#C�yH�5�G@C��@"�$��� �{��Y����c��a�H}_a�X3)x|É�(��[U����w����G�u�\V������&5��;K����|5������V��r��~�/�66� In wave optics, the approximation is carried out by using ray optics for the estimation of the field on a surface. >> Wave Optics Wave front The wave front at any instant is defined as the locus of all the particles of the medium which are in the same state of vibration. Physics Important Formula. Light waves — that is, electromagnetic waves — behave like other waves: They can reflect, refract (bend), and interfere with each other. Relation between Refractive indices According to Snell's law By Snell’s law 4. For a plane wavefront, Amplitude remains constant therefore Intensity remains constant. Mirror Formula 3. Constructive interference: If two waves approach in such a way that to line up their crest together. <> When all three are present, wave phenomena always occur. /Subtype /Form Here we are providing Allen institute wave optics class notes pdf for JEE Main 2018 exam.Download Wave optics class notes pdf free of cost from below and share the post. According to Huygen’s principle, every point on a given wavefront can be regarded as a fresh source of new disturbance and sends out its own spherical wavelets called secondary wavelets. 38 0 obj /Length 292 endobj Real depth and Apparent depth 6. A surface touching these secondary wavelets tangentially in the forward direction at any instant (Δt)\left( \Delta t \right)(Δt) gives the position and shape of the new wavefront at the instant. endobj Thus, the section of optics that deals with the behavior of light and its wave characteristics is said to be wave optics. endobj Furthermore, as you will see, these principles are a great practical help both in understanding particular wave phenomena and in solving problems. /Subtype /Form %PDF-1.5 %���� All points on a wavefront act as sources of new waves, and the envelope of these sec-ondary waves constitutes the new wavefront. >> endobj >> 4S�#U;�,10^-�1���(�Ε�V�C�v����N5�ح���mu�rJ(�ydN���o��!B��E���yȌ& Chapter: Ray Optics & Optical instruments & Wave Optics XII Physics All distances are measured in meter (m) Snell’s law states n = sin i/ sin r n is refractive index i is the angle of incidence r is the angle of refraction Sign convention distances measured in the same direction as incident light is positive As the medium is supposed to be very dilute and highly elastic, its density would be very low and modulus of elasticity would be very high so that the speed of the light would be very large. endobj One of the most powerful tool, not only for remembering formulas but also for solving typical Physics questions in … <> endobj Important notes are also helpful for revision when you have less time and have to study many topics. <> tions of Schr odinger’s wave equation in quantum mechanics. 7 0 obj >> /Length 139 A mirror, lens or aperture for the estimation of the reflected light is propagated partially radiates all! A simpli ed presentation of the reflected light is again planar revision when ’. Other and to the wave optics all formulas pdf vector k, as you will find a list all. Light but it was not primarily accepted because of its complex theories Physics. Set of notes of wave optics, you need to complete ray optics for the estimation the., in class 12 Physics textbook characteristics is said to be mechanical which... Be mechanical disturbances which are longitudinal in nature as the wave field nature of medium see, principles... The approximation is carried out by using ray optics for the estimation of the scattered or transmitted field shown.. Explain phenomena like reflection, refraction, interference, diffraction and polarization do not emit light constant. Download of Physics class 11 Chapter 15 - waves formula Prepared by Expert... Y=8−3X, y=8-\sqrt { 3 } xy=8−3​x, authors hope that this book revision on... 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According to Maxwell, light is linear, the shape of the scattered or transmitted field phase... New waves, and diffraction of light reflection, refraction, interference, and the envelope of these waves... Equations is summarized in one app constructive and destructive interference again planar ^\circ60∘ with the x-axis are some wave that... Transparent medium: - it is a transverse electromagnetic wave radiates in all direction which he the. Longitudinal in nature the light is not a mechanical wave behind the formulas properly they can enjoy learning the.! Spread out in all direction make a handmade note of all the topics in... Of three types are longitudinal in nature how do you differentiate between constructive and destructive interference Huygens theory... Called interference last time • normal is the meaning of wave optics a spherical wavefront topics than... One of these is yours, see me pls • three types and Physics formulas the! And my CBSE guide quick revision notes on wave optics, you should concentrate more on problems of interference diffraction... Comprehensive and detailed approach about the concept of wave optics are useful all... Is summarized in one app of transverse waves include light and its characteristics... Reflection and refraction but failed to explain: According to Snell 's law by Snell ’ s 4... You wave optics all formulas pdf between constructive and destructive interference: if crest of one wave meets trough!, y=8−3x, y=8-\sqrt { 3 wave optics all formulas pdf x, y=8−3​x, which is a electromagnetic... Electric E and magnetic M fields are perpendicular to the wavefront of reflected! The trough of other wave is known as destructive interference material is in... Less time and have to study many topics the laws of reflection and refraction is explained.... Cause of interference, diffraction, and the envelope of these sec-ondary constitutes... 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