Reflection is in a mirror you can see yourself and how that works is how much light is given to show your reflection or how much light is given to show a shadow under the street light or just a shadow when your walking and the sun is s
spectrum of colour is the range of colours like in a rainbow if the reflection was to be given out it will only show red because that's the first colour
refraction is the light that spreads into small gaps like a beam it goes in different directions so its not a small light given but a big light given around the area