Mirrors are everyday objects that work in a fascinating way. Have you ever wondered why you can still see your reflection even if part of a mirror is covered? Let’s explore the simple science behind it.
How Does a Mirror Work?
A mirror reflects light using a smooth, shiny surface. When light from an object (like your face) reaches the mirror, it bounces off and travels to your eyes. This follows the law of reflection, which states:
The angle of incidence (incoming light) = The angle of reflection (bounced light).
This predictable behavior allows us to see clear reflections.
Why Can You Still See Your Reflection If the Mirror Is Partially Covered?
If you place an object (like a piece of paper) over part of the mirror, it may seem like your reflection should be blocked. However, your reflection remains visible because:
1. Light Travels in Multiple Directions
• The light from your face doesn’t just move in a single straight line—it spreads out and reaches different parts of the mirror.
• Even if part of the mirror is covered, the uncovered section still receives light from your face and reflects it to your eyes.
2. Reflection Happens Across the Entire Mirror Surface
• Unlike a window that lets light pass through, a mirror reflects almost all the light that reaches it.
• Even if one section is blocked, the rest of the mirror continues reflecting light.
3. Your Brain Fills in the Gaps
• If only a small part of the mirror is covered, your brain naturally “completes” the reflection based on the available information.
Try This Simple Experiment!
You can test this effect yourself with an easy experiment:
1. Stand in front of a mirror and hold a piece of paper to block one side of the glass.
2. Move slightly left or right while keeping your eyes on your reflection.
3. Notice that your full face is still visible even though part of the mirror is blocked!
Conclusion
A mirror doesn’t reflect from a single point; it works as a whole surface that redirects light in various directions. Even if part of the mirror is covered, the remaining uncovered section still reflects light to your eyes, keeping your reflection visible.
Part 2: The Science Behind Mirror Reflection – With Diagrams!
(Coming Soon – I’ll add diagrams and a deeper explanation in the next part!)
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