Progressive waves

Students may have had a range of experiences of waves before starting their post-16 level course. For example, some may be confident in handling symbolic equations such as v = f l. Others may have only seen this as speed = frequency ยด wavelength, and may not be confident with rearranging it.

Your specification may mean that you have already covered the topic of oscillations (simple harmonic motion), in which case many of the ideas should already be familiar.

The episodes presented here give you the opportunity to assess what your students already know; you may be able to move quickly through this material if you feel that your class is confident in particular areas.

The demonstrations suggested give plenty of opportunity for student involvement.

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