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Chapter 13

The wave model

LEARNING OBJECTIVES

In this chapter you will learn how to:

●describe waves and wave motion

●identify wavelength, frequency and period from graphs of displacement against distance or time

●solve problems with wavelength, frequency, period and wave speed

●describe the motion of a particle in a medium through which a wave travels

●describe the difference between transverse and longitudinal waves

●understand the nature of electromagnetic waves

●understand the nature of sound waves.

GUIDING questions

●What is a wave?

●How do waves transfer energy?

●What is oscillating in an electromagnetic wave?