This bending of the light is called refraction. When you see a rainbow, the light from the sun is actually ... do the same thing is called a spectroscope (early spectroscopes used prisms). You can ...

The prism bends different colours of light at different angles. This is called refraction ... you and the rain in front of you, you see a rainbow of colours reflected back from inside the raindrops.

Fire rainbows ... angle for refraction. Secondly, the cirrus clouds must contain plate-shaped ice crystals aligned horizontally. This alignment ensures that the refracted light spreads out ...