Light: Visible Light

The video tutorial explains the visible spectrum, a narrow range of light wavelengths we can see, consisting of colors like red, orange, yellow, green, blue, indigo, and violet. It describes how white light from the sun contains all these colors mixed together. Rainbows are formed when sunlight is separated by raindrops, demonstrating the visible spectrum. The video also covers refraction, the bending of light due to speed changes, and dispersion, where different wavelengths are refracted by different amounts, separating colors. A prism is used to illustrate how light is refracted and dispersed.

What is the visible spectrum and what colors does it consist of?

How is a rainbow formed according to the text?

What role do water droplets play in the formation of a rainbow?

What is refraction and how does it affect light?

Explain the process of dispersion as described in the text.