Nuses of concave and convex mirrors pdf merger

I will tell only 10 common uses of convex mirror because there are many of them concept. How far from the mirror is the image of the star if the radius of curvature is 124 cm. The concave mirror is a converging mirror, so that it is used for many purposes, it is used as a torch to reflect the light, it is used in the aircraft landing at the airports to guide the aeroplanes, it is used in shaving to get an enlarged and erect image of the face. Quiz on mirrors ian upright object is located in front of a convex mirror a distance greater than the focal length. A concave mirror is a mirror that is curved inward in the middle. Convex mirrors are used as rearview mirrors in cars, to enable the driver to see the traffic behind him. All of them are segments of spheres centered on a horizontal axis. Frankl your own mind is a sacred enclosure into which nothing harmful can enter except by your promotion. A concave lens is thinner in the middle and thicker at the edges.

The light rays that strike the convex mirrors surface diverge, or go apart without coming to a point. The ray diagram constructed earlier for a convex mirror revealed that the image of the object was virtual, upright, reduced in size and located behind the mirror. Concave and convex are two classes of spherical mirrors. Spherical mirrors can be thought of as a portion of a sphere which was sliced away and then silvered on one of the sides to form a reflecting surface. Concave, convex, and plane mirrors plane mirrors flat produces an image that identical in size to the original object images are upright image is virtual used to see ones reflection both produce virtual images both produce upright images both can produce virtual. The expanded field of view results in the smallerthanreallife image you see hence the typical warning objects in mirror are closer than they appear. For those who dont know lost is location orientation size and type for example. With a concave mirror, its like youre looking at the mirror from what would be the inside of the ball, so it looks like the mirror is curving in towards you. So, it is important to know the concave and convex mirror differences. One can view these features as concave by viewing the image upsidedown. They should try to describe any images they form in terms of magnification, upright or inverted, real or.

Unlike convex mirrors, concave mirrors show different types of image depending on the distance between the object and the mirror itself. Most curved mirrors have surfaces that are shaped like part of a sphere, but other shapes are sometimes used in optical devices. The image formed by a convex mirror is a virtual image, while concave mirror forms a real or virtual image, depending on the position of the object. Concave mirrors and convex mirrors image formation, ray diagram. A concave amkeup mirror is designed so that a person 28. The type of the image depends on the distance between the object and the mirror. Move the arrow to the right side of the mirror to get a convex mirror. For converging mirrors and diverging mirrors, the focal length is equal to onehalf the radius. Concave and convex mirrors lab part 1 find the focal length. Apr 24, 2016 there are two types of spherical mirrors. The focal point is the same distance from the mirror as in a concave mirror. Large concave mirrors are also used in reflecting type telescope. Snc 2d light and geometric optics convex mirrors extra practice worksheet a draw a ray diagram for each to locate the image. A ray parallel to mirror axis passes through the focal point of a concave mirror or appears to come from the focal point of a convex mirror.

Concave and convex are also two types of spherical mirrors. A convex mirror is also known as diverging mirror or the fish eye mirror. May 10, 2016 the surface may be either convex bulging outward or concave bulging inward. Examples of concave mirrors headlights of a car o dentist mirror o the source of light is placed at the focus of the concave reflector focus light on the tooth to be examined makeup mirrors o enlarges the image to be easier to see 7. Such mirrors always form a virtual image, since the focal point f and the centre of curvature 2f are both imaginary points inside the mirror, that cannot be reached. A mirror is curved outward, like the bottom of a spoon. The time honored reflections of the convex mirror house appeal. With mirrors, the curved surface is referred to as either concave or convex depending upon whether the center of curvature occurs on the side of the reflecting surface or the opposite side. All additional elements and decoration on the left are consistent with a viewpoint from above, while those on the right with a viewpoint from below. A concave mirror has a radius of curvature of 4 meters. If a concave mirror is thought of as being a slice of a sphere, then there would be a line passing through the center of the sphere and attaching to the mirror in the. Its sort of like if you were to take a mirror thats shaped like a ball, and cut off one side of it. Concave, convex, and plane mirrors by sophie o on prezi.

Uses of convex mirrorswe saw that, image formed by convex mirrors isposition of the objectposition of the imagesize of the imagenature of the imageat infinityat the focus f,behind the mirrorhighly diminished,pointsizedvirtual and erectbetween infinityand the pole p ofthe mirrorbetween p and f,behin. Move the tip of the object arrow or the point labeled focus. Applications and uses of concave and convex mirrors teachoo. The surface may be either convex bulging outward or concave bulging inward. Concave and convex mirror terminology c f p principal axis reflect on the terminology used when f referring to concave and convex mirrors and the images they form. Apr 11, 2016 concave mirrors sometimes referred to as converging mirrors are used all around us to reflect, focus and redirect light or otherelectromagnetic waves such as a laser at a store checkout or the mirror used in a reflecting telescope or a microwave. Applications and uses of concave mirror in daily life byjus. Oct 10, 2012 convex mirrors also referred to as bullseye mirrors, and based on stylistic design, eagle mirrors are considered diverging mirrors. A mirror is a surface which reflects a clear image. This collection of light is what gives them the alternate name of converging mirror.

Set up equipment in accordance with teacher example and figure 2 your mirrormeter stick assembly will be on one side of the room and the light source will be on the other. Scholars experiment with real and virtual images before reading a handout and completing homework questions. In convex mirrors, the principal axis is the same as in a plane or concave mirror, perpendicular to the center of the mirror. In a convex mirror, parallel light rays move away from each other, as.

If the mirror is curved light hitting different points on. Try to explain the terminology to your partner before looking at the definition cards. Figure 1 shows the three types of mirrors we will consider. On the contrary, concave mirrors are used in torches and vehicle headlights. Convex mirrors are commonly used in retail stores and hospitals so people can see around corners. The difference between concave and convex mirrors is also one of the most commonly asked questions in the physics exams and in the competitive exams.

Included extensions greatly benefit learners, so take advantage of the. Concave mirrors end to reflect all light inwards towards a single focal point, and can easily used to focus light. Oct 15, 2009 concave and convex mirrors are basically mirrors that are bent. Each mirror has a radius of curvature r which is in. A concave mirror which is also called as converging mirror has its reflecting surface bulging inwards, i. Lenses concave and convex apparatus selection of lenses, collimated light source, e. If you can use the same format i did ill give 5 stars. 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. When a viewer stands outside the focal point of a concave mirror, his image is reflected upside down. A convex mirror or diverging mirror is a curved mirror in which the reflective surface bulges towards the light source. Both sideview and rearview mirrors are convex, which means that the image focal point is actually behind the mirrors and the reflected rays spread outward. Concave and convex mirror questions construct optical diagrams to answer these questions.

Objects at distances closer than r2 have virtual images behind the mirror while objects further away than r2 have real images in from of the. On the other hand, a convex lens is thicker in the middle and thinner at the edges. Convex mirror whose outer surface is reflecting,it forms virtual image and is used to get magnified image,while concave mirror whose inner surface is reflecting,it forms real and virtual images and its is used to get small images. Thanks to the optical properties of convex mirrors, motorists have a buffer against all manner of dangers. Difference between convex and concave mirror is one of the most important concepts in the topic of optics in physics. Convex mirrors reflect light outwards, therefore they are not used to focus light. A convex mirror has a negative focal length because of this. For plane mirrors, the object distance equals the image distance and all images are erect and virtual. The convex mirror is used as sideview mirror on the passengers side of a car because it forms an erect and smaller image for the way behind the car. What are the uses of concave and convex mirrors in our. Jan 24, 20 for those who dont know lost is location orientation size and type for example.

A concave mirror, or converging mirror, has a reflecting surface that is recessed inward away from the incident light. It might help you to remember this if you think that when you look in a concave mirror, it looks like you are. A curved mirror is a reflecting surface in which its surface is a section of sphere. May 31, 2009 ray diagrams were constructed in order to determine the location, size, orientation, and type of image formed by concave mirrors. A concave mirror is a spherical mirror in which the reflecting surface and the center of curvature fall on the same side of the mirror. Now, we can combine these ideas by using mirrors that are curved to produce images. Difference between concave and convex concave vs convex. The reflective surface of the convex mirror bulges towards the light source. A concave mirror collects light from a distant star. Jul 28, 2006 concave is bulging inward, convex outward. Converging lenses are also called convex lenses because the first interface the light strikes is convex. They should try to describe any images they form in terms of magnification, upright or inverted, real or virtual. The reflecting mirror of a compound microscope would be placed at the focal point of the mirrors.

This is a very good example of eschers mastery in creating illusions of impossible architecture. Concave and convex mirrors lab part 1 find the focal length of your concave mirror 0. Concave mirrors sometimes referred to as converging mirrors are used all around us to reflect, focus and redirect light or otherelectromagnetic waves such as a laser at a store checkout or the mirror used in a reflecting telescope or a microwave. Concave mirrors are also called converging mirrors. The plane and the convex mirrors can make only virtual images, but a concave mirror can make both virtual or real images. Concave mirrors and converging lenses have a positive focal length. Concave mirrors are silvered on the inside of the sphere and convex mirrors are silvered on the outside of the sphere. Convex mirrors also referred to as bullseye mirrors, and based on stylistic design, eagle mirrors are considered diverging mirrors. The concave, or converging mirror, has its reflective surface bulgin inwards, away from the light source. Difference between convex and concave mirror convex vs. All images formed from convex mirrors are erect, virtual, and diminished in size. A concave mirror, or converging mirror, has a reflecting surface that bulges inward away from the incident light.

If a concave mirror is thought of as being a slice of a. Concave mirrors reflect light inward to one focal point. The time honored reflections of the convex mirror house. A convex lens is known as a converging lens, whereas a concave lens is also known as a diverging lens. This optical phenomenon may account for the mirror s location in the entrance hall in an inventory prepared shortly after jeffersons death.

Concave mirrors and convex mirrors image formation, ray. Concave and convex mirrors unlike light rays hitting a flat mirror, parallel light rays reflecting off a curved mirror do not move in the same direction. We deliver all major cities in australia melbourne, sydney, brisbane, adelaide, gold coast qld. Difference between concave and convex mirror byjus. Discover concave and convex mirrors using a laser light. The convex mirror is suitable for convenient shop and big supermarket and any other corner where need antithief, it is used in the turning off the road and parking. It is used in the aircraft landing to guide the airplanes, it is used as a torch to reflect the light rays, it is used during shaving to get an erect. 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. Unlike convex mirrors, concave mirrors show different image types depending on the distance between the object and the mirror. Description simulation of image formation in concave and convex mirrors. Examine the diagram label the diagram with the terminology.

The relative aspects of the objects in the image are distorted in such a way that many of the structures features can be seen as both convex shapes and concave impressions. Curved mirrors are roughly divided into two categories, concave and convex, terms that are also used to describe the geometry of simple thin lenses. Ray diagrams 3 of 4 concave and convex lenses and mirrors. The only thing ive seen a concave mirror in is the little ones women use to put on makeup, pluck, etc.

Large concave mirrors are used to concentrate sunlight to produce heat in solar cookers, solar furnace etc. Sep 10, 2008 ray diagrams 3 of 4 concave and convex lenses and mirrors. All images formed from convex mirrors are erect, virtual, and diminished in. Concave mirror convex mirror image formation by concave mirror concave mirror ray diagram image formation by convex mirror. Uses of the concave mirror and the convex mirror in our. As a result, light from the lamp diverges over a large area. On the other hand, a convex mirror is a spherical mirror in which the reflecting surface and the center of curvature lie on the opposite sides of the. It is defined as a curved mirror in which the reflective surface bulges toward the light source. The terms concave and convex are from the perspective of the object. Concave and convex mirrors lab part 1 find the focal. In this case, the focal point is behind the mirror.