When light falls on a highly polished surface like a mirror most of. The angle of reflection is formed between the reflected ray and the normal. Light reflection and refraction notes for class 10. We now define a few important terms used for spherical mirrors. Refraction of light is an important aspect in the physics of lenses, especially with regards to how a single lens or multilens system is designed and constructed. Refraction of light introduction olympus life science. Laws of reflection states that the angle of incidence is equal to the angle of reflection. View and download powerpoint presentations on light and refraction for class 10 ppt. Add, remove or edit the color of the circles as you like. Dec 04, 20 light reflection refraction colour anf filters. Transparent, translucent, opaque, prisms, colors of light, how we see, and magnification. Class room lecture on reflection and refraction of light. Simple powerpoint on the properties of reflection, refraction and diffraction. This multiple reflection is possible until the intensity of light becomes low until the point that we cannot see.
Refraction angle of refraction optical density refraction snells law the ratio of the sine of the angle of incidence to the sine of the angle of refraction is. Rays of light parallel to the principal axis after reflection from a convex mirror get diverged and appear to come from a point behind the mirror. Notes physics module 6 reflection and refraction of light optics and optical instruments 190 zthe ray of light parallel to the principal axis, on reflection, passes through the focus. See how changing from air to water to glass changes the bending angle. Light slows down as it passes from air to glass, and so bends toward the normal. The incident ray makes an angle of 900 with the surface. Reflection when an object or wave bounces back off a surface.
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. Reflection and refraction powerpoint presentation ppt and other class 10 slides as well. Since reflective surfaces such as mirrors are very good at preserving the intensity of light in a reflection, a single source of light can be reflected multiple times. Light refraction and reflection powerpoint teacher made. Refraction bending of light waves due to a change in speed. Chapter 14 reflection and refraction of light chapter 14 reflection and refraction of light a is a something cannot be itself and something else at the same. Theory materials transparent to light are called optical materials. Refraction the change in direction of a wave as is crosses the boundary between two media in which the wave travels at different speeds. View and download powerpoint presentations on properties of light ppt.
Reflection is also dependent on light but it shows all the colors of the original. Get your kindle here, or download a free kindle reading app. Light reflection and refraction principal focus f is the point on the principal axis, where a parallel beam of light, parallel to the principal axis after reflection converges in the case of a concave mirror and appears to diverge from in the case of a convex mirror. If you have any doubts about this refraction of light then download books to refer this concept. When light falls on a highly polished surface like a mirror most of the light is sent back into the same medium. This effect of refraction is very important in lens design for controlling the precise focal point of imaging light rays. Light is an electromagnetic ray that travels in a straight line reflection of light. Our new crystalgraphics chart and diagram slides for powerpoint is a collection. This awardwinning volume gets students involved handson with activities that explore these concepts. Click to download ncert science solutions for class 10 chapter. By referring to this lesson, you can learn more about. This document is highly rated by class 10 students and has been viewed 23315 times. Itis because our ability to see is due to the interaction between the light, the brain and the eyes.
Index of refraction snells law index of refraction dispersion the separation of light into colors arranged according to their frequency, by interaction with a prism or diffraction grating. Refraction and reflection by hannah abraham on prezi. Convex lens convex lens is thicker in the middle and thinner at the edges. This presentation has complete information about the ncert science chapter light reflection and refraction. The light may be reflected back from the surface, transmitted through the material in which case it will deviate from its initial direction, a process known as refraction or absorbed by the material if. A ray is equivalent to a very narrow beam of light, and it. Reflection refraction absorption light can travel through transparent material and. We hope you learned about reflection and refraction from our presentation and about how they are different.
Light reflection and refraction notes for class 10 formulas download pdf. When electromagnetic radiation, in the form of visible light, travels from one substance or medium into another, the light waves may undergo a phenomenon known as refraction, which is manifested by a bending or change in direction of the light. Ppt reflection, refraction and diffraction powerpoint. Light reflection and refraction class 10 physics complete. Bending light is a small, simple, very easy to use program,explore bending of light between two mediums with different indices of refraction. Apply reflection effects to shapes in powerpoint 2011 for mac.
Nov 05, 20 class room lecture on reflection and refraction of light. If light passes into a medium with a smaller index of refraction, the angle of refraction is larger. This powerpoint covers reflection, refraction, and absorption. A group of rays of light emitted by a source of light is called a beam of light. The light may be reflected back from the surface, transmitted through the material in which case it will deviate from its initial direction, a process known as refraction or absorbed by the material if it is not transparent at the. Windows 7810, xp, vista, mac os, linux, android and powerpoint, keynote and prezi. This scattering is caused by the interaction of light with small particles, even atoms or molecules, within the material. It can be complemented by phet simulations on geometrical optics. Note the angle of incidence is formed between the incident ray and the normal. This multiple reflection is possible until the intensity of. Reflection and refraction when light hits a surface, one or more of three things may happen. Lens curved glass or transparent material that refracts light. Find powerpoint presentations and slides using the power of, find free presentations research about light and refraction for class 10 ppt. Refraction 2 of 3 light ray going from air to glass then back to.
Refraction of light simone zuccher february 4, 20 contents 1 the physical phenomenon 1 2 laws of refraction 2 3 visible light wavelength dispersion 3 4 critical angle and total internal re. Flash sale mac dazzleglass baby sparks mac dazzleglass lip gloss is a lip colour that dazzles with light. Experiments on refraction, reflection and total internal. It goes with lesson 19 of the 4th grade tcap coach.
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 and the reflected ray, all lie in the same plane. Perfect for wholeclass teaching, this powerpoint features some handy information to help support your teaching on this topic along. Reflection and refraction of light reflection and refraction of light chapter 22 introduction light is necessary for life on this planet. Reflection and refraction of light physics module 6 optics and optical note that the reflecting surface of a convex mirror curves outwards while that of instruments a concave mirror curves inwards. Chapter 15 pretest light and refraction chapter 15 pretest light and refraction powerpoint ppt. Reflection and refraction university of calgary in alberta. Explain how light bends at the interface between two. Reflection and refraction powerpoint presentation class. Maxwells equations can be used to derive the laws of reflection and refraction, which tell us how light waves behave at the boundary between two media with different indices of refraction. Ncert solutions class 10 science chapter 10 light reflection and. Wave properties of light reflection refraction diffraction.
It is natural to treat the propagation of light in terms of rays. Absorption, reflection, and refraction of light the color of the objects we see in the natural world is a result of the way objects interact with light. Polarized light can thus be obtained via reflection. Chapter 10 light reflection and powerpoint presentation. Reflection when light falls on a highly polished surface like a mirror most of the light is sent back into the same.
When a light wave strikes an object, it can be absorbed, reflected, or refracted by the object. Jan 31, 2017 this videos explores the propagation of light, light reflection and refraction phenomena. This document is highly rated by class 10 students and has been viewed 7539 times. Lens curved glass or transparent material that refractslight. Rays of light parallel to the principal axis after refraction through a convex lens meet at a point converge on the principal axis. Blue circles is a free prezi template with a blue bokeh effect background. Download chapter 10 light reflection and ppt for free. To locate an image, any two of these three rays can be chosen. There is an angle of incidence for which the angle of refraction will be 90. Rose tomson and hannah abraham examples of refraction refraction metal chair leg thank you for watching this presentation. Get the ncert solutions class 10 science chapter 10 light reflection and refraction here.
It has been found that the speed of light varies in different optical materials. To see a sample presentation containing reflection effects in. Play with prisms of different shapes and make rainbows. Refraction occurs as light passes from one medium to another only when there is a difference in the index of refraction between the two materials. Total internal reflection if the angle of incidence is larger than this, no transmission occurs. When light falls on a surface and is reflected back into the same medium, we say reflection has taken place refraction of light. The scattered light goes off in many different directions, and may be scattered again and again before it is finally absorbed. Reflection, refraction and diffraction teaching resources. It is in a complete lesson format for those evaluated in tennessee. Light reflection refraction software free download light. Light, reflection, and refraction chapters 14 and 15 a free powerpoint ppt presentation displayed as a flash slide show on id. When light travels from one medium to another it bends from its original path this phenomenon is.
Chapter 8 dec 04, 20 light reflection refraction colour anf filters. This powerpoint includes 10 slides about reflection and refraction. Convex lens thicker in the center than the edges bends light in. The given ppt is very useful to understand the concept of refraction of light completely. Find powerpoint presentations and slides using the power of, find free presentations research about properties of light ppt. These laws of reflection are applicable to all types of reflecting surfaces. Principles and problems combines proven, comprehensive content with dynamic multimedia tools and engaging, handson labs to help you get the big ideas of physics. Dec 10, 2011 ppt that works through the key points about refraction of light and culminates in a task slide that instructs the students to complete the refraction practical and make a conclusion. In this powerpoint presentation various concepts like reflection of light,critical angle, and total internal reflection have been explained. 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. The centre of the sphere, of which the mirror is a part, is called the centre of.
Light reflection and refraction reflection law of reflection plane flat mirrors curved mirrors objects in mirror are closer than they appear. Reflection, refraction, and absorption properties of light. Light speeds up as it passes from glass to air, and so bends away from the normal. Ppt that works through the key points about refraction of light and culminates in a task slide that instructs the students to complete the refraction practical and make a conclusion. Reflection and refraction powerpoint presentation class 10 notes edurev is made by best teachers of class 10. Reflection and refraction 17 be scattered away from its original direction figure 2. Reflection and refraction of light lecture youtube. To examine light travel in rectangles and equilateral triangles using the laws of reflection and refraction.