Reflection Of Sound
Chapter Name : Sound |
Sub Topic Code : 101_09_12_03_02 |
Topic Name : Reflection Of Sound |
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Sub Topic Name : Echo |
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Introduction
The principle behind echo.
Pre-Requisites:
Echo
Activity:
In big halls sound reflects back when we shout.
Real Life Question:
What is an echo?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Echo | An echo (plural echoes) is a reflection of sound, arriving at the listener some time after the direct sound. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Echo | The sound comes back after reflecting the nearby mountains. |
Real life uses :
This phenomenon is used by music makers for a variety of sound production.
Places to visit :
School prayer hall.
Practical examples around us
| Examples | Explainations |
|---|---|
| Echo | The sound comes back after reflecting the nearby mountains. |
What you learn in Theory:
The principle behind echo.
What you learn in Practice:
The principle behind echo.