REFLECTION
Definition Of Reflection
A Reflection is a transformation in which the figure is the mirror image of the other.
More About Reflection
Reflection can also be called as flip.
Video Examples: Reflection
Examples of Reflection
In above figure, one figure is the mirror image of the other. So, the transformation is a reflection.
A reflection is the mirror image. Here, the figure on the bottom is the mirror image of the figure on the top.
Solved Example on Reflection
Ques: Which of the figures is a reflection of Figure A?
Choices:
A. Figure 3
B. Figure 2
C. Figure 4
D. Figure 1
Correct Answer: D
Solution:
Step 1: A reflection or flip is the transformation in which the figure is turned over
Step 2: When Figure A is turned over, Figure 1 is formed
Step 3: So, Figure 1 is the reflection of Figure A.
Quick Summary
- Reflection is also called a flip.
- A reflection creates a mirror image.
⚠️ Common Mistakes
- Confusing reflection with rotation or translation.
- Incorrectly identifying the line of reflection.
🌍 Real-World Uses
- A mirror reflecting an image, used in bathrooms, cars, and dressing rooms.
- Symmetry in art and architecture, such as the Taj Mahal reflecting in water or symmetrical patterns in paintings.
- Medical imaging using ultrasound, where reflections of sound waves create images of internal organs.
🔗 Related Links
🍎 Teacher Insights
Use physical mirrors to demonstrate the concept of reflection.🎓 Prerequisites
- Symmetry
- Basic Geometric Shapes
Check Your Knowledge
Q1: Which of the following transformations creates a mirror image of a figure?
Q2: In a reflection, does the size of the original figure change?
Frequently Asked Questions
Q: What is a line of reflection?
A: The line over which a figure is flipped to create its mirror image.
Q: Does the size of the figure change after reflection?
A: No, reflection preserves the size and shape of the figure. Only its orientation changes.