Teaching Advanced Physics: Vibrations and Waves

From the Institute of Physics, these resources are split into topics and each topic is subdivided into a number of episodes. An episode represents a coherent section of teaching – perhaps one or two lessons. The topics covered are:

* Simple harmonic motion
* Progressive waves
* Electromagnetic waves
* Reflection and refraction
* Superposition

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Episode 320: Superposition

This learning episode, from the Institute of Physics, introduces the basic idea of superposition of waves, explaining what happens when two or more waves meet.

The activities include:
• recapping students’ knowledge and understanding of waves
• demonstration of waves using a rope
•...

Episode 321: Interference Patterns

This learning episode from the Institute of Physics covers the constructive and destructive interference of waves.

Through discussion, student experiments and teacher demonstrations, students look at:
* simple interference of waves
* waves from two sound sources
* demonstration of Young's...

Episode 322: Diffraction Gratings

In this learning episode, from the Institute of Physics, students look at different light sources through diffraction gratings. Using this system, students measure the wavelength of a laser and derive the grating formula.

The activities include:
* looking through gratings
* deriving the grating...

Episode 323: Diffraction

In this learning episode, from the Institute of Physics, students observe diffraction using a ripple tank or laser.

The activities include:
* simple ways to observe diffraction
* demonstration of diffraction using a ripple tank or laser
* deriving the formula for minima in the diffraction...

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