Two plane mirrors

Use app Login. 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 two plane mirrors in figure.

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.

Two plane mirrors

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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. Right angle mirrors will allow a maximum of two reflections of light from the object.

Two plane mirrors

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. By forming images of all points of the object, we obtain an upright image of the object behind the mirror. Notice that the reflected rays appear to the observer to come directly from the image behind the mirror.

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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 :. Practice Papers. Exam Centres. Admit Card. Use app Login. Chemistry Mock Test. Verified by Toppr. Class 12 JEE Course JEE Main Coaching. Physics Syllabus. Other Pages. Chemistry Syllabus. Difference Between. Exam Pattern.

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.

JEE Main Result. Answer Key. Free study material. Admit Card. JEE Repeater Course Hint: Image is defined as the collection of focus points of light rays coming from an object. Preparation Tips. Application Form. The distance over which the man can see the image of the light source in the mirror is. Mathematics Syllabus. Courses for Kids. Talk to our experts