Henderson department of mechanical engineering, university of sydney, sydney. Reflection of waves reflection and refraction aqa gcse. This process occurs for not only light waves but also for sound waves, infrared or radio waves. It is found that the amplitude ratios of various reflected and refracted waves are functions of angle of incidence, frequency of incident wave and are influenced by. Reflection and refraction of a heterogeneous plane wave by. Refraction plane waves if we have a plane wave, ex,t. Pdf reflection and refraction of plane quasilongitudinal. This is the case where the electric field is perpendicular to the plane of incidence. Chapter 10 then discusses how such waves can be generated and received by antennas and antenna arrays.
Zhu reflection and refraction of plane waves at interface between two. Setup here, we will consider the reflection and refraction of a uniform, linearly polarized, homogeneous plane wave at a horizontal interface fig. Reflection of waves off straight barriers follows the. Fermats principle and the laws of reflection and refraction.
Seismic refraction is a geophysical principle governed by snells law. Reflection, refraction, lenses, and diffraction quiz. The curriculum corner contains a complete readytouse curriculum for the high school physics classroom. In reflection, light ray falling on the plane returns to the same medium. Reflection and refraction of plane quasilongitudinal waves at an interface of two piezoelectric media under initial stresses article pdf available in archive of applied mechanics 799. Refraction is the bending of waves when passes through a different medium. When an electromagnetic wave hits a boundary between different materials, some of the waves. Pdf reflection and refraction of plane waves at an. Mcq questions for class 10 science light reflection and. State the laws of reflection and refraction, describe examples and apply the laws to simple examples involving plane boundaries. The equations of elastic waves, quasistatic electric field, and constitutive relationships for the piezoelectric media. Refraction and reflection of plane waves using huygenss. Light reflection and refraction notes for class 10 download pdf.
Used in the fields of engineering geology, geotechnical engineering and exploration geophysics, seismic refraction traverses seismic lines are performed using a seismographs and or geophones, in an array and an energy source. Australia received 3 december 1987 and in revised form 31 may 1988 this paper discusses the refraction of plane shock waves in media with arbitrary equations of state. Reflection of plane wave at plane surfacehuyghens principle. In reality, plane electromagnetic waves frequently encounter obstacles along their propagation. Wave vector surfaces, phase velocity surfaces, and ray velocity surfaces have been evaluated for electromagnetic waves traveling through magnetized ferrite. New critical angles for refraction and reflection are derived see supporting information. Do not depend on the detailed nature of waves or boundary conditions dynamic properties. Light reflection and refraction class 10 mcq with answers pdf question 1. Reflection and refraction of plane waves from plane ferrite. Conclusion the reflection refraction of heterogeneous plane waves has been studied in this paper. Formulation of the problem we consider an isotropic elastic solid half.
Spherical waves can add up to plane waves reflection and refraction from surfaces snells law mirages and prisms. Pdf phenomena of reflection and refraction of plane harmonic waves at a plane interface between an elastic solid and doubleporosity. Reflection and refraction of plane waves at an interface between micropolar elastic solid and viscoelastic solid. Refraction can be used to show the true make up of white light. Class 10 science mcqs chapter 10 light reflection and refraction. Reflection and snells law electromagnetic geophysics.
Conclusion the reflectionrefraction of heterogeneous plane waves has been studied in this paper. The materials are assumed to be transversely isotropic. Plane wave entering and emerging from a medium with di. Reflection and refraction of elastic waves on a plane.
The reflection and refraction of light explains how people see images, colour and even optical illusions. We can understand this in terms of the superposition of many scattered spherical waves. Poq is the ray normal to both incident and reflected wave fronts. Reflection, refraction, lenses, and diffraction quiz multiple choice identify the choice that best completes the statement or answers the question. Reflection of a wave is the process by which the light wave strikes an object and bounces back. Specular reflection occurs at smooth, plane boundaries.
If the electric vector vibrates in the direction perpendicular to the plane of incidence, the reflection coefficient is. Reflection of em waves at boun in terms of the in terms of characteristic the index of impedances refraction, assuming. This is a plane wave propagating in the direction with wavelength. This creates patterns that are important to understand. In the previous chapter, a plane wave propagating in a homogeneous nonconducting isotropic medium was considered. Pdf reflection and refraction of plane waves at interface between. Difference between reflection and refraction with comparison. Light and sound waves do all kinds of cool stuff, because they can be in the same place at the same time, unlike matter. All waves will reflect and refract in the right circumstances. Substances that have a high index of refraction n have a low critical angle.
This means it is always constructively and destructively interfering with itself. In refraction, the sine of angle between the incident ray and normal maintains a constant ratio with the sine of angle of refracted ray and normal. Pdf reflection and refraction of plane waves at the boundary of an. Used in the fields of engineering geology, geotechnical engineering and exploration geophysics, seismic refraction traverses seismic lines are performed using a seismographs andor geophones, in an array and an energy source. The bending of the path is an observable behavior when the medium is a two or threedimensional medium. Reflection and refraction equipment acrylic block set, planeconcaveconvex universal mirror, cork board, cork board stand, pins, flashlight, protractor, ruler, mirror worksheet, rectangular block worksheet, equilateral prism worksheet, converging lens worksheet. When plane waves pass through an opening, the wave fronts will not change much if the opening is a. Fermats principle and the laws of reflection and refraction fermats principle states that light travels between two points along the path that requires the least time, as compared to other nearby paths. Reflection and refraction of a heterogeneous plane wave by a. From fermats principle, one can derive a the law of reflection the angle of incidence is equal. Reflection and refraction of plane waves at the interface of. The paper analyzes the reflection and refraction of a plane wave incidence obliquely at the interface between piezoelectric and piezomagnetic media. The plane containing both the normal to the surface and the direction of propagation of the incident.
Reflection occurs when there is a bouncing off of a barrier. Reflection refraction reflection says that a the angle of reflection from a mirror equals the angle of incidence b waves incident on a mirror are partially reflected c all. Dynamic properties of reflection and refraction of em. We point out that out of plane refraction was previously theoretically proposed but in a completely different context. Reflection and refraction of a plane wave at oblique incidence. The distance between the object and image will be a 0. Reflection and refraction of a plane wave at oblique incidence let us consider a plane wave that obliquely incidents at the boundary of two media that are characterized by their permittivity and permeability see figure 1. Reflectionrefraction multiple choice identify the letter of the choice that best completes the statement or answers the question. Snells law is then used to characterize the refraction angle in terms of the complex wavenumber for both media.
In this chapter, we will examine what happens to an electromagnetic wave at a plane. Reflection and refraction wave fronts spherical waves are solutions to maxwells equations molecules scatter spherical waves spherical waves can add up to plane waves reflection and refraction from surfaces snells law mirages and prisms. Reflection, refraction and diffraction are all boundary behaviors of waves associated with the bending of the path of a wave. For reflection, the reflected ray lies in the plane of incidence, and. Chapter 10 reflection, refraction, diffraction and. Chapter 22 reflection and refraction of plane waves. Chapter 10 reflection, refraction, diffraction and interference overview when waves are incident at a boundary between media such as water waves on shallow water encountering a sudden change in depth of the water or light passing either from air to glass or glass to air, part of the wave energy is reflected and part is transmitted. Dec 07, 2017 in this video, you will get to know that the angle of incidence equals the angle of reflection using the huygens principle and snells law of refraction, the speed of the light wave in the. Conversely, in refraction, the ray falling on the plane travels from one medium to another. Using that the speed of light is v c n we deduced that. When light passes into a more optically dense medium with the angle of incidence. The key is to draw the plane waves as the location of the maximum.
Dynamic properties of reflection and refraction of em waves at a plane interface between dielectrics free download as pdf file. This paper analyzes the reflection and refraction of plane wave inci dences at the interface between magnetoelectroelastic mee and liquid media. The law of reflection states that, on reflection from a smooth surface, the angle of the reflected ray is equal to the angle of the incident ray. Reflection and refraction of electromagnetic waves at a plane. If the light falls on a smooth and clear surface, the light rays reflect back at the same angles. A term paper by harsh purwar, student, indian institute of science education and research, kolkata. Consider the figure given below which shows incident and reflected wave fronts when a plane wave fronts travels towards a plane reflecting surface.
Reflection and refraction of emwaves at portland state university. When shone, as a beam through a prism, white light gets refracted and exits in the form of a spectrum of colours. Reflection and refraction of electromagnetic waves at a. Light rays change direction when they reflect off a surface, move from one transparent medium into another, or travel through a medium whose composition is continuously changing. The phenomena of refraction and refraction of light at a plane surface separating two media of different dielectric properties can be classified into two aspects. Reflection and refraction of plane waves at the interface. Parallel polarization tm for this case, the magnetic field is parallel to the interface. There are some surfaces which have ability to send the light back in the same medium when light strikes it.
Then the plane tangent to the boundary is the boundary itself. Pdf reflection and refraction of plane waves at interface. Report chapter 22 reflection and refraction of plane waves. In reality, plane electromagnetic waves frequently encounter obstacles along their voltage and current along open and shorted transmission lines. This collection of pages comprise worksheets in pdf format that developmentally target key concepts and mathematics commonly covered in a high school physics curriculum. The white light enters, gets refracted and then when exiting the prism gets refracted again. In the above equations, n i is a dimensionless constant known as the index of refraction or refractive index of medium i. Reflection at rough, irregular boundaries is diffuse reflection.
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