Mirrors are common objects around us. Whether at home or in public places, mirrors are very common. It can reflect an object that is in front of it so that it can help us, especially when we want to see parts that we cannot see without help. Acne or streaks on the face, for example.
Maybe you also ask, how can a mirror reflect closed objects? The object is not actually directly in front of the mirror, but how come we can still see its reflection in the mirror? The following is the explanation.
How mirrors work
mirror illustration (unsplash.com/Christian Mackie)
For those who are still confused about why mirrors can reflect closed objects, it seems they don’t really understand mirrors, in this case they are flat mirrors. Launch How Stuff Worksa flat mirror is a mirror that can reflect falling light.
With a flat mirror, the image formed will be exactly the same as the original object, including the distance between the object and the mirror. The farther away the object is, the smaller the image formed will be.
The mirror surface has straight planes on both sides. So the image produced from a plane mirror is virtual, upright and the same size. Even though the resulting image is exactly the same as the original object, the position of the image is inversely proportional between right and left.
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Simply put, here is how a plane mirror works:
The first incident ray that reaches the plane mirror will be reflected to form a reflected ray. The second incident ray that passes through the top of the object will hit the mirror and produce a reflected ray with the same angle. The intersection between these two reflected rays will form the tip of the image in the mirror.
Hope this explanation helps!
Also Read: 5 Facts about Quasars, They Have Brighter Light than the Sun
2023-10-23 01:05:00
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