Light, Sound and Waves

Demonstration: Students observe the spectrum produced when light falls obliquely on a CD.

Practical Activity 14-16

Class Practical: A diffraction pattern showing bands of colour produced from white light.

Practical Activity 14-16

Class demonstration: This demonstration shows that a beam of light is diffracted as it passes around a wire, highlighting the...

Practical Activity 14-16

Demonstration: This is a simple and economic demonstration of the diffraction of light by a narrow opening, from which the...

Practical Activity 14-16

Demonstration: A laser is used to illustrate how crystal geometry can be inferred from X-ray diffraction patterns.

Practical Activity 14-16

Class Practical: Observing a two-dimensional diffraction pattern.

Practical Activity 14-16

Class Practical: A simple and elegant experiment to measure the wavelength of light using a fine diffraction grating.

Practical Activity 14-16

Demonstration: Exploring the diffraction pattern produced from white light.

Practical Activity 14-16

Class practical: Students use a diffraction grating as a tool for observing the spectra from a variety of light sources.

Practical Activity 14-16

Demonstration: Interesting diffraction effects seen in shadows.

Practical Activity 14-16

Demonstration: A ray of light bends as it passes through a region of changing refractive index.

Practical Activity 14-16

Demonstration: Investigating the formation of real images.

Practical Activity 14-16