Explain constructive and destructive interference of waves and explain the conditions required to observe a two-source interference pattern.

Use your knowledge of the characteristics and properties of waves to explain the following images and data.

Identify the wave concept behind each phenomenon and explain the theory of the concept Explain how the theory applies to the specific scenario illustrated.

You should write about 100 words for each phenomenon. You should supplement your written answers with annotated diagrams, equations and sketch graphs.

Wave Phenomenon A

The pattern of water waves in a ripple tank, seen from above.