how will you get an infinite number of images with only two plane mirrors??
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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.
shreya504:
the correct answer is zero degree
if you see the figure clearly the angle between object and the normal is approximately zero
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We can get an infinite number of images with only two plane mirrors, by placing them parallel to each other.
- When the two plane mirrors are placed parallel to each other, such that the reflecting surfaces of the two face each other, it can be observed that an infinite number of images are obtained.
- It is necessary that the two mirrors are parallel and should not be inclined at any angle to each other.
- A good example of such an arrangement, you may have observed in a salon or barbershop, where one mirror is in front of you and another behind your back. You can see that there are visible so many images formed of yourself, by these mirrors.
- Thus, an infinite number of images can be obtained by placing the two plane mirrors parallel to each other.
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