Lesson 31 - Waves (Kinds and Properties)

Demonstrations in Physics was an educational science series produced in Australia by ABC Television in 1969. The series was hosted by American scientist Julius Sumner Miller, who demonstrated experiments involving various disciplines in the world of physics.
Lesson 1-15 (Mechanics)
Lesson 16-27 (Heat and Temperature)
Lesson 28-30 (Physics of Toys)
Lesson 31-37 (Sounds & Waves)
Lesson 38-45 (Electricity & Magnetism)