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💡 Sound bounces
Shout at a cliff and your own voice comes back — sound obeys the same reflection laws as light.
What is reflection of sound?
Reflection of Sound
Sound bounces off hard surfaces following the same laws of reflection as light; an echo is a common example.
- Sound bounces off hard obstacles like walls, cliffs and water.
- It follows the same laws of reflection as light: the incident and reflected directions make equal angles with the normal, all in one plane.
- A common example of reflection is an echo .
How do echo and reverberation differ?
Reflected sound
Heard once or lingers?
1. Echo
A single repeat
Example:
Clap near a cliff
2. Reverberation
Overlapping repeats
Example:
Sound in a big hall
