Physics Support Materials
Virtual Experiments in Higher Physics
Unit 3 - Particles and Waves
| Click on an activity below | Title |
Aim of Experiment |
| Activity 1A | Interference of microwaves | To investigate a microwave interference pattern and to find the wavelength of microwaves. |
| Activity 1B | Interference of microwaves | To find the wavelength of microwaves from an interference pattern caused by reflected waves. |
| Activity 2 | Interference of sound | To investigate an interference pattern produced by two sources of sound. |
| Activity 3A | Interference of laser light | To observe an interference pattern produced by laser light. |
| Activity 3B | Measurement of wavelength | To measure the wavelength of laser light from measurements taken from an interference pattern. |
| Activity 4 | Comparison of white light spectra | To compare the spectra produced when white light passes through (a) a prism and (b) a grating. |
| Activity 5 | Refractive index of a perspex block | To measure the refractive index n of a perspex block. |
| Activity 6 | Critical angle of a perspex block | To measure the critical angle qc of a perspex block. |
| Activity 7 | Variation of light intensity with distance from a point source of light | To investigate the relationship between the intensity of light and the distance from the light source. |
| Activity 8 | The photoelectric effect | To compare the effect of white light and u.v. radiation on charged electroscopes. |
| Activity 9 | Emission spectra | To compare the emission spectra from various light sources. |
| Activity 10 | Laser beam diameter | To measure the beam diameter at various distances from a laser. |