There are some experiments which must be done in semi-darkness, for example, optics experiments and ripple tanks. You need to...

Teaching Guidance 14-16

There are many excellent applets available online that show wave behaviour as if observing a ripple tank or oscilloscope...

Teaching Guidance 14-16

Given some radiation, how can one tell whether or not it has wave properties? Superposition experiments offer an answer. Radio...

Teaching Guidance 11-14 14-16

In water whose depth is large compared to the wavelength, the wave speed expression contains two terms, one for gravity...

Teaching Guidance 11-14 14-16

Students should whenever possible experience and experiment for themselves using real equipment, rather than using software...

Teaching Guidance 14-16

Some basic ideas about waves can be demonstrated using mechanical waves along strings or springs, ripples on water, or special...

Teaching Guidance 14-16