Concave and convex mirrors and lenses powerpoint download

Concave mirrors can be reduced and inverted, enlarged and inverted, or just enlarged. Typically the lens axis passes through the physical. Drawing ray diagrams concave and convex mirrors and double concave and double convex lenses by vincent sapone concave or diverging lens f f f powerpoint ppt presentation free to download flat mirrors produce images that are flat mirrors produce images. Move the point named focus to the right side of the lens to change to a concave lens. Convex lenses are converging lenses, and concave lenses are diverging lenses. Any lens thicker at the ends than in the center is a concave lens. Description simulation of image formation in concave and convex mirrors. The lens which merges the light rays at a particular point, that travels through it, are a convex lens. View and download powerpoint presentations on concave and convex lens ppt. Convex lenses are also known as converging lens since the rays converge after falling on the convex lens while the concave lenses are known as diverging lenses as the rays diverge after falling on the concave lens. Great site for those who have not yet downloaded byjus app. A convex lens gives a real, inverted image if the object is outside the focal length of the lens. Concave and convex lenses and mirrors, parallel light rays with.

A convex lens is also known as a biconvex lens because of two spherical surfaces bulging outwards. Concave and convex lenses image formation curvature. Any lens that is thicker in the center than the ends is a convex lens. 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. Experiments involve deciding what type od lenses pupils are given and calculating focal length.

Difference between convex and concave lens with figure. A convex lens is thicker in the middle and thinner at the edges. Mirrors and lenses focal length remember we defined the focal length for a lens we also defined the sign of. The only thing ive seen a concave mirror in is the little ones women use to put on makeup, pluck, etc. This powerpoint introduces concave and convex lenses, and also goes through related concepts such as focal points, real virtual images, and the anatomy of the eye. 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.

The differentiated worksheets guide the children through an investigation of how convex and concave mirrors change the size of an objects image. For lenses, light converges to a point for a convex lens. Taken in a place with no name see more photos or videos here have you ever approached a. View concave and convex mirror ppts online, safely and virusfree. Move the point named focus to change the focal length.

A powerpoint presentation about curved mirrors concave and convex in science 10. Convex mirrors are commonly used in retail stores and hospitals so people can see around corners. Concave and convex mirrors ppt video online download. Simulation of image formation in concave and convex lenses. Move the arrow to the right side of the mirror to get a convex mirror. Object is past r between r and f on the other side inverted real object at r. Uses of convex lens,concave lens,convex mirrors,concave. Concave mirrors and convex mirrors image formation, ray.

Introducing a concave lens results in the incoming rays from the convex lens being refracted as shown in the diagram above. Displaying powerpoint presentation on convex and concave lenses available to view or download. Because of their shape and focal point placement, images in concave mirrors appear upside down and far away. Concave and convex mirrors powerpoint ppt presentation. Ppt convex and concave lenses powerpoint presentation. Concave mirrors curve inward, creating a focal point in front of the mirror. We look at the image formation by these spherical lenses using ray diagrams. They will then find out how arthur james wilson, a famous scientist, made his fortune by using convex mirrors to create car wing mirrors. Concave and convex mirrors concave mirrors concave mirrors usually produce real images, but they can also produce virtual images. A mirror is a surface which reflects a clear image. Place the convex and concave lenses together in the path of the parallel rays. Since it sees more, the images are reduced in size. Convex lenses convex mirrors are in the shape of the curve, and the reflecting surface bulges out work toward the source of light. When you look at objects in a concave mirror such as people, buildings or cars the images are distorted.

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. The following points are noteworthy, so far as the difference between convex and concave lens is concerned. Microscope objectives and eyepieces themselves typically have anywhere from 310 lenses, including biconcave, biconvex, and meniscus lenses. Find powerpoint presentations and slides using the power of, find free presentations research about concave and convex lens ppt. The lens which disperses the light rays around, that hits the lenses, are called a concave lens. Each of a lens two faces is part of asphere and can be convex or concave if a lens is thicker at the center than theedges, it is a convex, or converging, lenssince parallel rays will be converged tomeet at the focus. Lesson 3 focused on the reflection of light by concave mirrors and on the formation of images by this reflected light. It uses a concave mirror, a plane flat mirror and a convex lens to converge light at a focal point. So just remember, concave has the word cave in it so i always imagine that its kind of caving inwards caving inwards its a little bit of an exaggerated drawing but you get. Convex mirrors curve outward creating a focal point behind the mirror. Concave and convex mirrors 1 concave and convex mirrors grade 9 and 10 science mr. Passenger side mirrors are often of this type with the warning.

Weve talked a lot about convex lenses, so i thought i would do a quick video on concave lenses, although there arent as many combinations of what a concave lens can do. Worksheet to help those struggling with this topic to gain merit. It includes notes, videos, questions, vocabulary and set homework. In lesson 4, we will follow a similar pattern of inquiry for convex mirrors. First, i should point out that a typical microscope does not consist of two convex lenses. 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. About lenses a lens is made of a transparent medium such as glass or plastic that has atleast one curved or spherical surface. Convex mirrors diverging scatters light this allows you to see more, but makes everything look smaller. The terms concave and convex are from the perspective of the object. Your class will have fun learning about the way images are distorted in different mirrors in this lesson. View concave and convex mirrors ppts online, safely and virusfree. Ppt concave and convex mirrors powerpoint presentation.

View and download powerpoint presentations on concave and convex lenses ppt. Lenses lenses are made of transparentmaterials, like glass or plastic. Convex and concave lenses 1 convex and concave lenses convex lens concave lens 2 refraction by a convex lens 3 focal length of a convex lens 4 long short focal length 5 focal length of a concave lens 6 formation of a real image 7 formation of a virtual image 8 drawing ray diagrams real image important. If the concave lens was not there and the object was at a distance greater that its focal length the convex lens would form a real image. If you continue browsing the site, you agree to the use of cookies on this website. In this article, we will learn about image formation by concave and convex lenses. Concave lenses video geometric optics khan academy.

Mirrors and lenses chapter ppt download slideplayer. In that lesson, it was shown that concave mirrors can produce both real and virtual images, depending upon the object location. Download this books into available format 2019 update. Concave mirrors and convex mirrors image formation, ray diagram. Concave and convex mirrors presentation transcript. Slide the convex and concave lenses apart by few centimeter and observe the effect. Curved mirrors concave and convex linkedin slideshare. Move the tip of the object arrow to move the object. Concave mirror convex mirror image formation by concave mirror concave mirror ray diagram image formation by convex mirror. All of them are segments of spheres centered on a horizontal axis. Figure 1 shows the three types of mirrors we will consider. Ray diagrams 3 of 4 concave and convex lenses and mirrors. Light ray rules for convex lens and concave lens are discussed. Most devices that control light have one or more lenses in them some use only mirrors, which can do most of the same things that lenses can do.

Ppt concave and convex mirrors powerpoint presentation, free. Instead, a microscope consists of an objective and an eyepiece. The very simplest camera has no lens at all and uses a pinhole to focus the light. View and download powerpoint presentations on concave mirror ppt. Helps them to describe how lenses can affect rays of light. A concave mirror can provide a magnified image as used in this cosmetic mirror. Move the tip of the object arrow or the point labeled focus. Of the two types of lenses convex and concave, the concave lenses are used less frequently. The line joining the centres of the spheres making up the lens surfaces is called the axis of the lens. It will give a virtual upright image if the object is within the focal length. Convex mirrors diverging and concave lenses diverging can be memorized with suv smaller, upright, virtual concave mirrors converging and convex lenses converging have 5 different possibilities. Find powerpoint presentations and slides using the power of, find free presentations research about concave and convex lenses ppt. Moving up one step from there, a camera with a single element lens has a convex lens. A song about concave and convex lenses to the tune of i cant feel my face by the weeknd.

However, when you move closer, the object enlarges. A convex mirror diverges light, as does a concave lens. A powerpoint presentation about curved mirrors concave and convex in science 10 slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Find powerpoint presentations and slides using the power of, find free presentations research about concave mirror ppt.