Learn Science [Form 2]

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This book is not a story. This book is a study book for those who likes to study science. I put this way for those who are so lazy to study in their actual books. So, yeah. Hope this book helps you for your knowledge about science. Actually, the les...

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Chapter 1 - Lesson 7 part 1

Start from the beginning

by CutieKittyMe

Figure 1.15 Reflection of light rays

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ACTIVITY 1.3 : Studying the reflection of light

Figure 1.16

Procedure
1 A plane mirror is fixed vertically on the line AB using some plasticine (Figure 1.16 (a)).
2 A fine light beam marked with an arrow is directed from the ray box onto the line (Figure 1.16 (b)). Two crosses are marked on the reflected beam to indicate its path.
3 The plane mirror is removed. The path of the reflected light is then drawn.
4 Steps 1 to 3 are repeated as shown in Figure 1.16 (c) and Figure 1.16 (d).

Observation
The paths taken by the beam of light when ut falls on the mirror are shown below.

Conclusion
Light is reflected when it falls on a mirror.

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♧ Applications of the reflection of light

1 Periscope