Place a plane mirror in the centre of a piece of paper and draw a pencil line along its reflective side. In diagram, the plane of the book page, is the plane of reflection. A reflected light ray is reflected again on being incident on another surface, which is termed as . The process by which light waves falling on a surface is sent by the surface is called reflection. Incident Ray. The image of a point in a plane mirror lies behind the mirror along the normal produced from the object and is as far behind the mirror as the object is in front. Which mirror in the experiment converges light and UP CLOSE, produces an upright, magnified image of the candles? This is a particularly important experiment in our series of experiments dealing with the reflection of light because it reinforces the students' knowledge of the laws of reflection by a plane mirror and applies it to other situations. After reflection, they never meet at any point in real but they appear to meet at some point. The plane mirror should be stood up using a stand, facing the raybox. According to the law of reflection, the angle of incidence equals the angle of reflection. Students experiment with reflections of two plane mirrors placed at different angles. Image of an Extended Object in a Plane Mirror: That's why the image formed by a plane mirror cannot be obtained on a screen. A ray of light … The object of this experiment is to study the phenomena of reflection, virtual image formation, refraction and total internal reflection. asked Dec 8, 2018 in Class X Science by aditya23 (-2,145 points) Adjust the mirror carefully so that the mirror is … a mirror. This effect of the mirror strip on the ray of light is called reflection. The distance over which the man can see the image of the light source in the mirror … (hint: no two mirrors are the same) A point source of light, S is placed at a distance L in front of the centre of plane mirror of width d which is hanging vertically on a wall. An object is placed 20 cm in front of a plane mirror. A ray of light that is incident on to the surface of a plane-mirror is reflected with the angle of incidence equal to the angle of reflection. Conduct the following experiment to find out. Images formed by a plane mirror are “Always Virtual”. Solution 6S. Reflection is the scattering of light off the surface that it strikes on. The law of reflection states that, on reflection from a smooth surface, the angle of the reflected ray is equal to the angle of the incident ray. Draw a pencil line across the top of a sheet of white paper. In this lesson plan, students will first explore the law of reflection and are then challenged to use their gained knowledge to build a mirror maze that guides a light beam to a specific target. Eg. Laws of reflection: The angle of incidence is equal to the angle of reflection. This is the "mirror line". Also, the incident ray, reflected ray and the normal at the point of incidence lie in the same plane. Figure to the right shows how, by reflecting light, a plane mirror forms an image of a point source of light such as a small light bulb. A single slit is placed in the raybox and the single beam pointed towards the mirror. The image is virtual because the rays of light are not coming from it but appear to come from it. Experiment. The light ray, which strikes any surface, is called the incident ray. Use a ray box and a slit to allow a single beam of light to be incident on the surface of the mirror at an angle less than 90°. 1. A student is conducting an experiment with four different types of mirrors. It is best to have the room where the experiment is done darkened, so that the light sensor is sensing mostly light from the reflected beam. Laws of Reflection of Light: i) The incident ray, the reflected ray and the normal (a line perpendicular to reflecting surface) at the point of incidence all lie in the same plane. We can predict where the incident light ray will go after reflection. (a) Reflection of light by plane mirror 1. The key learning points are – Reflecting Surface– Any surface which can send back the rays of light falling on it into the same medium is called a Reflecting surface. Virtual c. Laterally inverted d. Same size as the object 3. When light rays from an object fall on a plane mirror, they get reflected from the mirror. If you look at yourself in a mirror, then where is your image located? Did you see any other ray of light, apart from the one from the mirror slit, on the paper? 900 views. In the second part of the experiment the students indirectly prove that the incident and reflected beams of light and the normal to the reflecting surface all lie in the same plane. An image in a mirror is a. Upright b Science Chapter 10: light reflection. At yourself in a plane mirror are “ Erect/Upright ” a. Upright b, viz: reflection virtual! 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