Final answer:
Interference is characteristic of waves and is observed in sound, water, and light waves. This proves all three exhibit interference phenomena, with experimental evidence such as beats in sound, overlapping patterns in water, and the double-slit experiment in light.
Step-by-step explanation:
The phenomenon of interference is a characteristic behavior of waves, wherein waves combine to form a resultant wave of greater, lower, or the same amplitude. Interference patterns can be observed with all types of waves, including sound waves, water waves, and light waves. Such patterns provide experimental evidence that these phenomena behave as waves. Sound waves can produce interference effects such as beats, which occur when two similar sound frequencies are played simultaneously. Water waves overlapping on the surface of a body of water can create a pattern of crests and troughs, demonstrating interference. Light also exhibits interference, as famously shown by the double-slit experiment, resulting in a pattern of bright and dark fringes on a screen. Therefore, the correct answer to the question of which waves exhibit interference is option 4) Sound, water and light.