Diffraction and Interference of Water Waves

Abstract

Photos of water waves at an Eastbourne beach showing diffraction and interference effects.

See full size images here.

Single Slit Diffraction
Single Slit Diffraction
Interference Pattern
Interference Pattern

Interference Pattern
Interference Pattern
Wave behaviour
Wave behaviour

Portable

Yes

Principles Illustrated

The properties of waves are universal: diffraction and interference effects seen with light in the laboratory are also visible in water waves with “slits” that are much larger.

NCEA & Science Curriculum

PHYS 2.3

Instructions

These photos can be used in conjunction with live demonstrations of wave properties.

Safety

Individual teachers are responsible for safety in their own classes. Even familiar demonstrations should be practised and safety-checked by individual teachers before they are used in a classroom.

Related Resources

Wave tank

Teaching Resources

Would you like to contribute lesson suggestions? Contact us.

References

PIRA 3B50.10, PIRA 3B50.20

Credits

These photos were taken by Winton Clitheroe when he taught at Hutt Valley High School near Wellington New Zealand.

This teaching resource was developed with support from

The MacDiarmid Institute
Faculty of Science, Victoria University of Wellington
School of Chemical and Physical Sciences, Victoria University of Wellington

Copyright

Copyright and fair use statement