In diffuse reflection, light is reflected in random directions. Solving problems involving mirrors and images smu department. Concave mirrors are used in torches, search lights and head lights of vehicles to get parallel beams of light. Second, light always travels through the shortest path possible. We now define a few important terms used for spherical mirrors. When an object is placed between these two mirrors, what is the maximum number of images that could be viewed while looking into the mirrors. A woman is looking at her reflection in a flat vertical mirror. An exploration in to the reversed double world behind the looking glass. Once you bring in another mirror and change the angle between them, it.
They are used as shaving mirrors to see larger image of the face. It is formed at the same distance behind the mirror as the object is in front of the mirror. The lowest part of her body she can see is her knee. The concept of reflection on planar mirrors is then introduced. Students are then asked to draw a simple ray diagram for an object in front of planar mirror. Worksheets are light reflection refraction, light reflection, shedding light on refraction work name, physics, mirror mirror student work, light and shadow, chapter 25, graph the image of the figure using the transformation. Plane and spherical mirrors as you work through the steps in the lab procedure, record your experimental values and the results on this worksheet. 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. However, if the surface is very smooth, the rays will all reflect obeying the law of reflection. The law of reflection worksheet supplement complete the front of this page prior to completing the law of reflection worksheet, and the reverse side after completing the law of reflection worksheet.
The light beam is reflected in a particular direction and can only be seen in that direction. Reflecting light light preparation for the activity reflecting light you will need the torch, the book, the mirror, and the small mirrors. Plane mirrors science and mathematics education research group supported by ubc teaching and learning enhancement fund 20122014 department of curriculum and pedagogy a place of mind f a c u l t y o f e d u c a t i o n. The image and object are equidistant from the mirror. Teachers may print the entire packet or individual worksheets and use them freely with their classes. Light ray diagrams plane mirrors teaching resources. These need to be small enough around 5 x 7cm to fit in the periscope. Images may be real or virtual, upright or inverted, and diminished or enlarged. Have a look at this diagram showing how light is reflected by a plane flat mirror.
Spherical mirrors if the inside surface of the spherical mirror is polished, it is a concave mirror. Large astronomical telescopes use curved mirrors a rigid glass or polymer coated with a metal to focus star light on to electronic detectors. Large concave mirrors are used to concentrate sunlight to produce heat in. Define focal point, focal length, principal axis, centre of curvature, radius of curvature and pole. Check your understanding of concave mirrors with an interactive quiz and printable worksheet. By the end of this worksheet students will be able to. Physics worksheet lesson 24 reflection and refraction. Mirror, mirror on the wall eight lessons on mirrors teacher.
In any of these circumstances, the law of reflection holds. Place a letter in the blank in order to classify the following objects as being either luminous l or illuminated i objects. On the flip side, refraction is when light is absorbed by the medium but the direction and speed is affected. Describe how light reflects off plane, concave and convex mirrors. Optics lab simulation open the virtual optical bench simulation to do this lab. When it hits an object, one that is not smooth, the rays will bounce at many different angles. Image formed by mirrors is due to the reflection of light originated from an object. By the way, related with light reflection and refraction worksheet. This worksheet covers the topics of reflection and refraction as well as the color spectrum of light, utilizing the following exhibits at wonderworks. Graph the image of the figure using the transformation given.
These practice questions will help you study and can. Ray diagrams concave mirrors in a 3step process, use three principal rays to draw a ray diagram. How does regular reflection differ from diffuse reflection. For plane mirrors, the reflected image a virtual image and object are along the same line, perpendicular to the reflective surface. Worksheets are synchronized to readings from the physics classroom tutorial and to sublevels of the minds on physics internet modules. Chapter 34a reflection and mirrors geometrical a powerpoint presentation by paul e. Click on popout icon or print icon to worksheet to print or download.
Put 2 plane mirrors standing up parallel to, and facing, each other put a small object between them. Set up two mirrors and a 3x5 card in the front of a light source in such a way that when the light is turned on the beam will bounce off mirror one to mirror two and on to the 3x5 card. If the outside surface is polished, is it a convex mirror. The law of reflection applies, just as it does for a plane mirror, i. When completing a problem involving the law of reflection, it can be a bit confusing at first.
Reflection, is when the light goes back to the previous medium, but changes direction. Which of the following are examples of regular reflection and which are examples of. Does the law of reflection hold true for diffuse reflection. We know that when light reflects off a plane mirror, the image appears leftright reversed. This worksheet covers the topics of reflection and refraction as well as the. Knowing the difference between reflection and refraction will help you understand basic phenomenon of science. Snc 2d light and geometric optics convex mirrors extra practice worksheet a draw a ray diagram for each to locate the image. They are used by dentists to see larger images of the teeth. Image 1 is a single reflection image from mirror 1. A mirror reflects the light as a whole bundle together. Sheet 1 draw the other half of each symmetrical shape. Place a letter in the blank in order to classify the following objects as being either luminous l or. Reflectionrefraction multiple choice identify the letter of the choice that best completes the statement or answers the question. Image 2 is a single reflection image from mirror 2.
Mirrors are very smooth surfaces and reflect light in a perfectly even manner. Reflecting light worksheet 49 h 1 light is reflected a look at the drawings below. Use the exact values you record for your data to make later calculations. This 10 question worksheet provides a way for students to follow along with the bill nye light optics video. Of course, reflection means little or nothing to children unless it is there, present in the mirror they hold in their hand, changing when they change the position of that mirror or multiplying when they move another mirror nearby. Physics worksheet reflection and refraction section. Sheet 1 1 2 3 4 5 6 7 8 9 10 11 12 graph the image of the given.
Now hold the mirror as far away far you as you can, i. In specular reflection, the reflected rays are parallel to each other. It begins by addressing the nature of light and its behavior as it travels through air. On this worksheet thechildren can record how an objects reflections in two mirrors change as the angle between the mirrors is changed. A person is sitting in front of two mirrors that intersect at a right angle. Tippens, professor of physics southern polytechnic state university. Mirror, mirror on the wall eight lessons on mirrors. With light, if one thinks of light bouncing off an object, it travels in all directions.
Magic and science seem to be at odds, but not necessarily to children. 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. If she stands closer to the mirror, what will be the lowest part of her reflection she can see in the mirror. Draw a ray, starting from the top of the object, parallel to. We can locate and characterize the images by tracing the reflected rays. Student worksheet introduction mirrors are everywhere.
Reflection and mirrors the following downloadable pdf files represent a collection of classroomready worksheets pertaining to the topic of reflection and mirrors. Describe the investigation plan and the results and illustrate your investigations in a drawing below. The red line is called the normal, which we draw vertically at right angles to the surface of the mirror to help us calculate the angles of. Worksheet 3 pages and homework 1 page with answers for mirror diagrams, including the law of reflection angles of incidence and reflection equal, and the concept of virtual images. These diagrams are intended to represent the path of light from an object to an eye as the eye sights. This is called specular reflection but with children we just call it mirror reflection figure 2a and 3a. Click on any of the following links to download an assignment. You will exercise and study the image formation by plane mirrors fig.
The centre of the sphere, of which the mirror is a part, is called the centre of. Some of the worksheets displayed are mirror images 1, mirror mirror student work, mirror mirror on the wall eight lessons on mirrors, mirrors work grade 1 2 version, light reflection refraction, re ect the quadrilaterals 1, graph the image of the figure using the transformation, work on reflections ks3ks4. The video and worksheet introduce and explain following concepts. Reflection on a coordinate grid involves flipping figures on a coordinate grid. Showing top 8 worksheets in the category mirror reflection. Image 3 is a double reflection image from mirrors 1 and 2. List four properties of the image formed by a plane mirror.
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