Uses of concave and convex mirrors in daily life pdf

Cameras make use of numerous lens elements some convex, some concave in series. Concave mirror is use in spectrometer to form and focus the beam of. A greatly simplified view of the human eye is shown below. Question 2 the image formed by a convex mirror is seen to be erect,virtual and diminished. There are two types of curved mirrors mostlyconvex mirror and. There are many uses for concave and convex mirrors, mostly in the areas of science and safety. Difference between concave and convex mirrors is discussed and compared with a plane mirror. Concave mirrors are mirrors that curve inward in the middle, forming a cavelike hollow in the center of the mirror. Rays of light from the bulb are reflected off the concave mirror, creating a strong beam that shines.

A spherical mirror whose inner curved surface is reflecting is called a concave mirror. What new images do you think you could create with 4 mirrors that you couldnt. This property has put mirrors and lenses in use for centuries. These mirrors are used to reflect the light towards the outward region, and not used as focused lights. Mirrors and lenses both have the ability to reflect or refract light. The primitive microscope used concave mirrors to channel light into the subject to be observed under the lenses which provided better visibility of the specimen in the slide. One very important application of concave mirrors is in the familiar satellite dish. The questions and answers of what are the uses of concave and convex mirrors in our daily life. These were some common uses of the concave mirror in daily life. All of them are segments of spheres centered on a horizontal axis.

Depending upon the nature of reflecting surface, there are two types of spherical mirrors. Is there a difference between you and your image in the mirror. These mirrors are always form virtual, erect and diminished regardless of. In fact, all the optical devices that are part of your everyday life eyeglasses, contact. Most curved mirrors have surfaces that are shaped like part of a sphere, but other shapes are sometimes used in optical devices. Chapter 34a reflection and mirrors geometrical a powerpoint presentation by paul e. Mirror used in supermarkets convex mirrors lens used as rear view mirrors convex mirror mirror used as streetlight reflectors convex mirrors mirror used in making lenses of sunglasses convex mirror mirror used in headlights of cars and other vehicles concave mirror mirror used in torch light concave mirror mirror used as magnifying concave mirror. If you continue browsing the site, you agree to the use of cookies on this website. Concave mirrors show different types of images, depending on the distance between the mirror and the object reflected. Most promising use of convex mirror in daily lives set. Figure 1 shows the three types of mirrors we will consider. Understanding the different uses of concave mirror and.

The types and uses of lenses in our life science online. The reflection of light by different surfaces have different properties. Although not as common as convex lenses, concave lenses have several uses. Convex mirror convex mirrors have surfaces curved outwards. 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. Images formed by convex mirror using ray diagram 1 object is between infinity and pole a image is formed between pole and focus. Images formed by convex mirror using ray diagram class. Some concave mirror uses are listed in the points below. The flash light mirror of camera also makes use of concave mirrors. This type of mirror used to enlarge the image for shaving purposes. The reflected light is parallel and gives more visibility to the driver at night. Convex disambiguation, the opposite of concave this disambiguation page lists articles associated with the title concave. Spherical mirrors are useful in our daily life in many ways. Understanding spherical mirrors, the reflecting surface of a spherical mirror is curved inwards and outwards.

Monoculars are just refracting telescopes modified through the use of prisms. Sunglasses convex mirrors are used to make sunglasses lenses. Vocabulary mirror law of reflection virtual image concave focus. Convex mirrors are mirrors that curve outward in the middle, forming a bubblelike curvature at the center of the mirror. Dentists and ear, nose and throat doctors use concave mirrors during examinations to see a larger image of what they are examining. Uses of convex mirror and its applications in the practical world.

Background concave and convex mirrors are examples of spherical mirrors. What are the uses of concave and convex lenses in daily life. Since these satellites are so far away, the waves that reach the earth from them are practically parallel. 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. Application in daily life free download as word doc. This discussion on what are the uses of concave and convex mirrors in our daily life. Used to focus light, they reflect it inward toward one focal point. The mirror landing aid system of modern aircraft carriers also uses a concave mirror. If an internal link led you here, you may wish to change the link to point directly to the intended article.

Concave mirrors are used to throw light on the slides of microscopes so that the slides can be viewed more clearly. Large concave mirrors are used to concentrate sunlight to produce heat in solar furnace. With the invention of curved mirrors more uses have come to existence and it is getting used in different fields. Many examples of concave mirrors can be seen in our daily life. It cures defects called hypermetropia far sightedness where patients cant see objects closer to them uses of concave lens we saw that, image formed by concave lens is. The bulb of the head light is placed at the focal point. Concave mirrors are also used in satellite dishes, electronic microscope, visual bomb detectors, etc.

It is also useful in vehicle headlights and torches. Dentists also use a concave mirror to get the bigger image of the teeth. Nowadays america and other developed countries use giant concave mirrors in their huge telescopes. The terms concave and convex are from the perspective of the object. They are also put on corners of roads so that you can see any cars coming to avoid collisions. There are two types of curved mirror convex and concave. It is made up of two plane mirrors mounted in a long tube. The concave mirror used for landing aircraft at the airport. Convex mirrors use also used as street light reflectors because they are able to spread light over a bigger area.

The parallel rays of the sun meet at the focal point f. We saw that, image formed by convex lens isposition of the. The convex mirror has a reflective surface that curves outward. These antennas are designed to receive and amplify weak signals sent from communications satellites in space. How can i calculate the focal point of concave mirror. The plane mirror is a flat surface, where the object reflected has an image the same size. Three types of mirrors are plane mirrors, concave mirrors and convex mirrors.

Convex mirrors are used as rear view mirrors in cars,scooters,buses etc. Applications of reflection of light in daily life a plus. The concave mirror is used in the solar ovens and the solar furnaces to collect a large amount of solar energy in the focus of the mirror for cooking food, heating. Uses of convex lens,concave lens,convex mirrors,concave. Most promising use of convex mirror in daily lives also defined as a fish eye mirror, a convex or diverging mirror helps in reflective surface bulges, especially towards the light source. In summary, concave and convex lenses have many uses in daytoday life, but most of these involve some combination of the two, as well as perhaps prisms and curved or planar mirrors. Properties of the formed images by convex lens and concave lens. A curved mirror is a mirror with a curved reflecting surface. See dpsm activities mirror writing and satellites and. Some of the most vital and common uses of convex mirror is described below. Applications and uses of concave mirror in daily life byjus. Uses of concave and convex lens in daily life teachoo. Since convex mirrors have a wider view field than concave mirrors and plane mirrors, they are mostly used in side mirrors of automobiles. 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.

A periscope is a device used to see objects over an obstacle. Vehicles convex mirrors are often found on the passenger sides of motor vehicles. Concave and convex lenses the type of lenses which converge the light beam coming from the source to one point on the other side to form an image is called as a convex lens, while the concave lens which is thinner at the centre and gets thicker as we move towards the edges is called as concave lens. The purpose of this activity is to measure the focal length of a concave mirror. Your dentist uses a tiny mirror to check your teeth for cavities. Convex mirrors reflect light outwards, therefore they are not used to focus light. Difference between concave and convex mirrors august 24, 2017 admin share this. What are the uses of concave and convex mirrors in our. We take a brief look at some ways in which mirrors and lenses are utilised in technology. Drivers use convex mirror as a rearview mirror in automobiles because of the following two reasons. Which type of mirrors are you using in your everyday life.

These mirrors help reflect some of the sunlight away from the wearers eyes. A convex mirror always forms an erect, virtual and diminished image of an object placed anywhere in front of it. In a reflector telescope, light from the object of interest enters the far end of the telescope and strikes a concave mirror at the end closest to the viewer. The image formed by the different mirrors have different characteristics. As of 2010, mirrors and lenses are so prevalent that most people use them every day, regardless of whether or not they consciously perceive the. 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. In fact, a spherical mirror is that mirror whose reflecting surface is a part of a.

Large hospitals, offices or stores sometimes make use of convex mirrors in order to let people see what is around a corner to avoid people running into each other and prevent minormajor collisions. Geometrical optics in the study of how light behaves, it is. The questions and answers of 5 uses of concave and convex lens in our daily life are solved by group of students and teacher of class 7, which is also the largest student community of class 7. 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. Convex mirrors are used inside buildings, in order to let people see what is around a corner to avoid people running. In the concave mirror, the size of the image depends on the position of the object. 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 and enlarged image of the face, etc.

Therefore, the most common convex mirror uses are in places where bigger objects are to be viewed in a smaller size. Concave mirrors are used quite frequently in daytoday life. The surface may be either convex bulging outward or concave recessed inward. Uses of the concave mirror and the convex mirror in our. This helps us to see the traffic behind the vehicle,which avoids accidents while taking turns. Question 1 mention few applications of convex mirror. 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.

Now, let us see where convex lens is used convex lens is used as it is used as magnifying glass it is used to make microscope it is used in spectacles to correct the vision. This discussion on 5 uses of concave and convex lens in our daily life is done on edurev study group by class 7 students. Flat mirror were previously used for decorative purposes and also as a looking glass. Uses of the concave mirror and the convex mirror in our daily life. These mirrors make objects appear smaller than they really are. The expanded field of view results in the smallerthanreal life image you see hence the typical warning objects in mirror are closer than they appear. Convex mirrors are used in motorcycles and automobiles which enable the driver to see the automobiles coming behind him. Stay tuned with byjus to learn more interesting physics concepts like convex mirror, laws of motion, etc. The concave mirrors, curved as the inside of a bowl, are used for focusing light, and the images often appear larger and. Concave mirrors are used in car headlights, flashlights, telescopes, microscopes, satellite dishes and camera flashes. There are numerous uses of concave mirror in daily life. There are many uses of concave mirror in daily life captures which stated below. Use a light source, concave mirror, and half screen accessory on an optics bench to measure the focal length of the concave mirror. Concave lenses are used to treat a condition called nearsightedness also called myopia.