Properties of waves

Physics SSS2 Third Term

Sub Theme: Waves Motion without Material Transfer

WEEK 3

Properties of waves

Performance Objectives

Students should be able to;

1. Produce plane and circular waves using ripple tank.

2. Demonstrate the reflection of sound.

3. Demonstrate stationary waves.

4. Demonstrate reflection of heat radiation.

Reflection of waves

Content

Reflection occurs in waves when they encounter an obstacle and are made to propagate in the opposite direction as shown in the diagram below

Reflection also occurs in sound and light waves. Sound heard after reflection of sound waves is called an echo.

Refraction of Waves

Refraction occurs when the wave is made to travel through two media of different densities. Refraction is the change in the speed and…