Two plane mirrors

Use app Login, two plane mirrors. Two plane mirrors of length L are separated by distance L and a man M 2 is standing at distance L from the connecting line of mirrors as shown in two plane mirrors. A man M 1 is walking in a straight line at distance 2 L parallel to mirrors at speed uthen man M 2 at O will be able to see image of M 1 for time : 4 L u 3 L u 6 L u 9 L u.

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

Two plane mirrors

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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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Correction Window. The number of images formed by two plane mirrors depends on the angle between the mirror. Practice Papers. Question Answers. Mock Test. Exam Centres. Revision Notes. Talk to our experts Preparation Tips. Physics Mock Test. Hint: Image is defined as the collection of focus points of light rays coming from an object.

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.

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