Some Natural Phenomena due to Sunlight
A natural phenomenon is an observable event which is not man-made. Examples include: sunrise, weather, fog, thunder, tornadoes; biological processes, decomposition, germination; physical processes, wave propagation, erosion; tidal flow, and natural disasters such as electromagnetic pulses, volcanic eruptions, and earthquakes.
You may have observed a rainbow in the sprinkler while watering your lawn. Ever wondered how that happens? When sunlight passes through certain materials, it forms a rainbow, that is, it splits into its constituent colors (red, orange, yellow, green, blue, indigo and violet).
The splitting of light into its constituent colors is called dispersion and the band of colored components of light is called a spectrum. The easiest way to verify this is by passing a strong beam of white light through a triangular glass prism.
