The differentiated worksheets guide the children through an investigation of how convex and concave mirrors change the size of an objects image. Difference between convex and concave lens with figure. All of them are segments of spheres centered on a horizontal axis. Image may be real or virtual depending on the position of the object. 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. If a mans face is 25 cm in front of concave shaving mirror producing erect image 1. For plane mirrors, the object distance equals the image distance and all images are erect and virtual.
An image which can be formed on the screen is known as real image and the one which cannot be formed on screen is known as a virtual image. See more ideas about convex mirror, mirror, mirror wall. The surface may be either convex bulging outward or concave recessed inward. Convex mirror uses of convex mirror definition equation. Lets explore the ray tracing technique to figure out the properties of images when things are kept in front of a concave or a convex mirror. The focus of a convex mirror is situated behind the mirror. The unbreakable deluxe stainless steel convex mirror is tough and durable and can withstand extreme weather conditions. Curved mirrors concave and convex linkedin slideshare. Lets practice problems involving both the lens and magnification formulas in convex and concave lenses. Made by silvering the inner surface of a part of the hollow glass sphere. Ray diagram practice concave mirrors displaying top 8 worksheets found for this concept some of the worksheets for this concept are ray diagrams for concave mirrors, converging diverging lenses ray diagrams, mirror ray diagram work answers, ray diagrams, ray diagrams for convex mirrors, physics, 1 1 1 h d i i in every problem draw a ray i o f h d o.
This noprep activity involves matching the following reflection and mirrors convex mirrors, concave mirrors, focal point, focal length, regular reflection, diffuse reflection to descriptions and images. The lateral magnification of the mirror or lens is the ratio of the image height to the object height. Convex mirror is a curved mirror where the reflective surface bulges out towards the light source. One mark questions convex mirror for seeing traffic at. Below you will find the home work assignment for cbse class 10 light reflection and refraction. On the other hand, a convex lens is thicker in the middle and thinner at the edges.
Ray 2 heads towards the focal point, emerging parallel to the principal axis. Worksheets are physical science 2014 2015 concave and convex mirrors, diverging converging lens work, 1 1 1 h d i i in every problem draw a ray i o f h d o o, ray diagrams for concave mirrors, ray diagrams, physics, convex mirrors, physics 202 section 2g work 11 lenses. Move the tip of the object arrow or the point labeled focus. Describe the relationship between collimated light and the focal points of convex and concave mirrors. A curved mirror is a mirror with a curved reflecting surface. Description simulation of image formation in concave and convex mirrors. Frankl your own mind is a sacred enclosure into which nothing harmful can enter except by your promotion. Click on popout icon or print icon to worksheet to print or download. Your class will have fun learning about the way images are distorted in different mirrors in this lesson. Science plane, concave and convex mirrors and reflection. Move the arrow to the right side of the mirror to get a convex mirror. Free pdf download best collection of notes, important questions, sample papers and ncert solution for cbse class 10 science.
The terms concave and convex are from the perspective of the object. Most curved mirrors have surfaces that are shaped like part of a sphere, but other shapes are sometimes used in optical devices. They should try to describe any images they form in terms of magnification, upright or inverted, real or. If the reflecting surface is convex, then it is a convex mirror. We look at the image formation by these spherical lenses using ray diagrams. Three types of mirrors are plane mirrors, concave mirrors and convex mirrors.
To create a real image with a concave mirror, the object must be outside the focal point. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. These mirrors forms a virtual image as the focal point f and the centre of curvature 2f. Also, the main keywords related to these lenses, types of mirrors, types of images formed by these lenses. A 10 mm long awl pin is placed vertically in front of a concave mirror. Lecture23 concave and convex mirrors free download as powerpoint presentation. They will then find out how arthur james wilson, a famous scientist, made his fortune by using convex mirrors to create car wing mirrors. A concave mirror is that spherical mirror in which the reflection. Each mirror has a radius of curvature r which is in. Find the focal length of a convex mirror of radius of curvature 1 m.
Concave and convex are also two types of spherical mirrors. Made by silvering the outer surface of a part of the hollow glass sphere. If the outside surface is polished, is it a convex mirror. On the contrary, the image formed by the concave lens is erect, virtual and smaller, than the object. The most common nonspherical type are parabolic reflectors, found in optical devices such as reflecting telescopes that need. Shedding light on curved mirrors liacos educational media. Concave mirror convex mirror image formation by concave mirror concave mirror ray diagram image formation by convex mirror. On the contrary, in a concave mirror, the reflecting surface bulges inwards the main difference between a convex and concave mirror lies in the image formed by the two mirrors, i. Outdoor convex mirrors are used to enhance visibility and improve safety. Ray 3 travels toward the center of curvature and reflects back on. Snc 2d light and geometric optics convex mirrors extra practice worksheet a draw a ray diagram for each to locate the image.
Displaying all worksheets related to concave and convex mirrors. For converging mirrors and diverging mirrors, the focal length is equal to onehalf the radius. Define the following terms in relation to concave spherical mirror. Included extensions greatly benefit learners, so take advantage of the. Great site for those who have not yet downloaded byjus app. Ray diagrams concave mirrors class 10 notes edurev. When parallel rays could be from a distant object incident on a concave mirror, the reflected.
Lenses concave and convex apparatus selection of lenses, collimated light source, e. Convex mirrors can be found indoors and out, on vehicles and in conjunction with security cameras. Curvedspherical mirror a curved mirror is a mirror with a curved reflecting surface. Light ray rules for convex lens and concave lens are discussed. This data chart guides children in exploring convex and concave mirrors and lenses and their effects on images. Concave mirrors and convex mirrors image formation, ray. Plane, concave and convex mirrors and reflection hindi duration. Numericals based on convex and concave mirror gurukul. Difference between concave and convex concave vs convex. A mirror is a surface which reflects a clear image. Following a brief recap on reflection in flat mirrors, spiro shows how convex mirrors are used in a wide variety of safety applications. Figure 1 shows the three types of mirrors we will consider.
Discover concave and convex mirrors using a laser light. Concave and convex mirror questions cyberphysics concave and convex mirror questions construct optical diagrams to answer these questions. Overview of image formations by concave and convex mirrors, previous year questions with solutions, spherical mirrors concave and convex basic terminology, rules for image formation in concave and convex mirrors, ray diagrams concave mirrors class 10 notes edurev, important questions. May 02, 2020 formation of convex and concave mirror class 7 notes edurev is made by best teachers of class 7. A convex lens is known as a converging lens, whereas a concave lens is also known as a diverging lens. Uses of convex lens,concave lens,convex mirrors,concave mirrors lenses and mirrors applications study for exams optics,physics. All images formed from convex mirrors are erect, virtual, and diminished in. Scholars experiment with real and virtual images before reading a handout and completing homework questions.
Imaging with convex mirrors ray 1 is initially parallel to the principal axis and appears to originate from the focal point. A convex mirror has a wider range of view than a plane mirror, giving it many uses, especially relating to safety. Uses of convex lens,concave lens,convex mirrors,concave. Introduction to spherical mirrors definition, examples. The principal focus of a convex mirror is a point on its principal axis from which a beam of light rays, initially parallel to the axis, appears to diverge after being reflected from the convex mirror. Mcq questions for class 10 science light reflection and. This bulging out surface reflect light outwards and are not used to focus light. Generally, a convex lens forms a real image, but it can also create a virtual image when the object is in the middle of the focus and optical centre. The focal length of a convex lens is positive, while that of a concave lens is negative. These mirrors are often used as blind spot mirrors to enhance visibility around tight corners in car parks. Our designs are manufactured from impact resistant polycarbonate and are available in sizes ranging from 450mm diameter to mm diameter. To state the general rules of reflection of light off concave and convex mirror and to draw three sets of principal rays.
The shallower curve of the mirror face means you can observe high speed traffic much more safely without risk of damage from projectile objects such as rocks or vandalism. A spherical mirror whose reflecting surface is curved outwards, is called a convex mirror. A convex mirror can only produce a virtual image since all reflected rays will diverge. If the reflecting surface of a spherical mirror is concave,it is called a concave mirror. Convex and concave displaying top 8 worksheets found for this concept some of the worksheets for this concept are concaveconvex s1 identifying shapes, convex concave polygons 1, diverging converging lens work, 6 introduction to polygons, physical science 2014 2015 concave and convex mirrors, 04, polygons quadrilaterals and special parallelograms, 1 1 1 h d i i in every. If youre seeing this message, it means were having trouble loading external resources on our website. Lecture23 concave and convex mirrors lens optics mirror. Describe what is meant by gaussian or paraxial optics. To download free concave and convex mirror questions cyberphysics you need to register. Spherical mirrors are the part of glass sphere whose inner or outer side is polished and nonreflecting.
Pdf optical images due to lenses and mirrors researchgate. Mirror used in supermarkets convex mirrors lens used as rear view mirrors convex mirror. There are two types of curved mirror convex and concave. Differentiate between convex mirror and concave mirror. Difference between concave and convex mirrors aiye samjhein. A mirror that bulges outwards is called a convex mirror. In shedding light on curved mirrors 30 minutes, presenter spiro liacos uses clear, reallife examples and superb animations to explain how and why convex and concave mirrors are so useful. A concave lens is thinner in the middle and thicker at the edges. Give two instances in each case where concave mirrors and convex mirrors are useful. The schematic representation of these mirrors is shown in fig. Convex and concave lenses alevel digital teachers uganda. Formation of convex and concave mirror class 7 notes edurev. Concave mirrors and convex mirrors image formation, ray diagram.
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