Mirrors flip images left to right, but not up and down. Imagine you wave your right hand in front of a mirror, it looks like your reflection is waving its left hand. It’s like the mirror is taking a photo from the back instead of the front. Mirrors work by reflecting light, and that’s why they flip things horizontally but not vertically.
Examples
- Waving your right hand makes your reflection look like it’s waving its left hand.
- Writing on a piece of paper and holding it up to a mirror flips the writing horizontally.
- Your reflection looks normal when you stand on your head, upside down, but not flipped.
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See also
- How Do Mirrors Work?
- How Do Mirrors Work and Why Can’t We See Ourselves in Curved Ones the Same Way?
- How Do Mirrors Reflect Images?
- How Does a Mirror ‘Know’ What It’s Reflecting?
- How Do Mirrors Work in a Funhouse?
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