Two plane mirrors

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Courses for Kids. Free study material. Offline Centres. Talk to our experts If n is even, the number of images is n-1, if n is an odd number of images. Last updated date: 01st Mar Study Material.

Two plane mirrors

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Last updated date: 01st Mar

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You only have to look as far as the nearest bathroom to find an example of an image formed by a mirror. Images in a plane mirror are the same size as the object, are located behind the mirror, and are oriented in the same direction as the object i. To understand how this happens, consider Figure 2. Note that we use the law of reflection to construct the reflected rays. If the reflected rays are extended backward behind the mirror see dashed lines in Figure 2. This is where the image of point P is located.

Two plane mirrors

Besides right angle mirror systems, there is a wealth of other multiple mirror systems that involve two or more mirrors. If two plane mirrors are placed together on one of their edges so as to form a right angle mirror system and then the angle between them is decreased, some interesting observations can be made. One observes that as the angle between the mirrors decreases, the number of images that can be seen increases. In fact as the angle between the mirrors approaches 0 degrees i. The generation of two images is not difficult to explain; each of the two mirrors produces an image due to the single reflection of light off one of the mirror faces to an observer's eye. The remaining images are produced as the result of multiple reflections of light off more than one of the faces.

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A plane mirror is a mirror with a flat planar reflective surface. Therefore, the angle of reflection is the angle between the reflected ray and the normal and a collimated beam of light does not spread out after reflection from a plane mirror, except for diffraction effects. A plane mirror makes an image of objects in front of the mirror; these images appear to be behind the plane in which the mirror lies.

A man M 1 is walking in a straight line at distance 2 L parallel to mirrors at speed u , then man M 2 at O will be able to see image of M 1 for time :. Exam Centres. If n is even, the number of images is n-1, if n is an odd number of images. Physics Mock Test. A point object is at a distance of d and l from mirrors M 1 and M 2 respectively. Free study material. The light from man M 1 hits the mirror and then reaches the man M 2. Reservation Criteria. If the image of the object is viewed in two plane mirrors that are inclined to each other, more than one image is formed. Application Form.