To understand concave and convex mirrors and to make ray diagrams three rules for ray diagrams. Jun 19, 2018 a worksheet to construct ray diagrams to show where images are formed by a converging convex lens and a diverging concave lens. Dec 08, 2018 conversely, the concave lenses are thinner at the centre and thicker at its edges, in structure. Using the five white rays from the ray box, shine the rays straight into the convex. There will be a window having two buttons named concave mirror and convex mirror. To understand concave and convex lenses and to make ray diagrams three rules for ray diagrams. The terms endoscope, microscope and telescope are used in either the cosmos magazine article or the video clip above, or both. To work out the image distance for the image formed by the objective lens, use the lens equation, rearranged to. Displaying top 8 worksheets found for concave and convex lenses.
Mcq questions for class 7 science chapter 15 light with answers. To create a real image with a concave mirror, the object must be outside the focal point. Free pdf download best collection of notes, important questions, sample papers and ncert solution for cbse class 10 science. The focal length of a convex lens is positive, while that of a concave lens is negative. Use the thin lens equation to find the distance of the image. Difference between convex and concave lens with figure. Nature of image formed by convex lens and concave lens. Introduction refraction and lenses 4 convex converging and concave diverging lenses are drawn as, v w to understand image formation we use ray diagrams. Feedback greatly received particularly constructive ways to improve. If there is an experimental worksheet, you will do the experiment in the next.
Numericals based on convex and concave mirror gurukul for. In a perfect lens all the rays from a point on the object will. While clicking on the concave mirror button, a concave mirror, object and its image will be displayed in the window. A convex lens focuses light rays coming from infinite distance at its focal point. Students will then use the mirror, lens equation to solve for image location, image size, and magnification. Concave and convex mirror grade 8 displaying top 8 worksheets found for this concept some of the worksheets for this concept are grade 8 science ray diagrams for concave mirrors the, grade 8 optics objectives and activities, physics, 1 1 1 h d i i in every problem draw a ray i o f h d o o, light reflection refraction, grade 8 science unit 2 optics, ray diagrams, diverging converging lens work. Diverging lenses have two negative thin lenses applications. Convex converging and concave diverging lenses are drawn as. The first microscope could magnify small objects by 9 times 3 times 270 times question 3 match. In this worksheet, we will practice defining a convex lens, describing the paths of light rays refracted through it, and explaining how rays are focused by such lenses. In addition, you need to have a small object penny, pair of dice, etc and a large object cabinet, door, tv, etc for students to examine.
To understand concave and convex lenses and to make ray diagrams. 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. Oct 03, 2020 a convex lens provided the image is smaller than object. Classify the following lenses as convex or concave. Below you will find the home work assignment for cbse class 10 light reflection and refraction. Although, may also be useful for other boardsalevel. Concave convex lenses displaying top 8 worksheets found for this concept some of the worksheets for this concept are diverging converging lens work, concaveconvex s1 identifying shapes, name box score date ap physics work 14 chapter 24, converging diverging lenses ray diagrams, refraction convex and concave lenses, exploration of optics converging and diverging lenses, ray diagrams for. Some of the worksheets for this concept are convex concave polygons 1, exploration of optics converging and diverging lenses, name box score date ap physics work 14 chapter 24, converging diverging lenses ray diagrams, chapter 14 mirrors and lenses, grade 8 science unit 2 optics, the lens equation, reflecting on refraction. Concave and convex lenses ray diagram worksheet weebly. The magnification of the image in the objective lens is. In this article, we will learn about image formation by concave and convex lenses. Concave and convex mirror grade 8 worksheets kiddy math.
A lens is a transparent material with at least one curved surface that causes light rays to bend, or refract, as they pass through. Image formation by spherical mirror add to my workbooks 7. Rays that come in parallel to the principal axis go out through the focus. A convex mirror can only produce a virtual image since all reflected rays will diverge. In this practice worksheet students will use ray diagramming to show the location of images found from convex and concave mirrors and lenses. The image that a lens forms depends on the shape of the lens.
This image is the object for the second lens, and the object distance has to be calculated. Lenses add to my workbooks 2 download file pdf embed in my website or blog. In a ray diagram, a convex lens is drawn as a vertical line with outward facing arrows to indicate the shape of the lens. I use simple small ones that are cheap and easy to buy. Rays that come in through the focus go out parallel to the principal axis. We look at the image formation by these spherical le. Like curved mirrors, a lens can be convex or concave. Converging convex diverging concave convex converging lens concave diverging lens lenses the lens equation. Convex lens ray diagrams for lenses, the following three rays are typically used in ray diagrams. Aug 10, 2020 numericals based on convex and concave lens download free printable assignments and worksheets of class 10 science. A convex lens is called a converging lens whereas a concave lens is called a diverging lens. The lab activity requires the use of concave and convex lenses. Displaying top 8 worksheets found for concave and convex lens. Numericals based on convex and concave lens gurukul for jee.
May 05, 2020 numericals based on convex and concave mirror download free printable assignments and worksheets of class 10 science. Convex lens screen purpose to determine the focal length of a thin lens and to explore the difference between convex and concave lenses and to determine their focal lengths. To identify concave and convex lenses, it is the thickness of the glass in the middle compared to the thickness at the edges that counts. Some of the worksheets for this concept are diverging converging lens work, lenses work, name box score date ap physics work 14 chapter 24, converging diverging lenses ray diagrams, raytrace lens work, exploration of optics converging and diverging lenses, refraction convex and concave lenses, ray diagrams.
Ray box multiple white rays convex lens concave lens metric rule second convex lens optional procedure. A concave lens defocuses light rays coming from infinite distance. Applications of convex mirrors and concave mirrors worksheet. Using a ray box explain why these lenses are named is such a way. Telescopes use concave mirrors to collect light from distant objects like stars, and trap the light in a tube so that people can study it. A ray parallel to the lens axis passes through the far focus of a converging lens or appears to come from the near focus of a diverging lens.
You must understand the differences between these two kinds of mirrors, be able to draw ray diagrams for both kinds of mirrors, and be able to solve the lens equation for both kinds of mirrors. 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. Rays that come in parallel to the principal axis go out through the outgoing focus. The focal length is measured from the center of the lens to the focal point. Physical science chapter mirrors and lenses worksheet 1 name period concave lens concave mirror convex lens filename.
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