Because there is a hollow space inside the prism, the light would be refracted twice, turning it back to white light.
What happens when light enters a prism is the light is broken up into all its natural colors. Hence what happens when you see a rainbow, all the little rain drops act as a prism.
The space inside it.
The top of the periscope has a prism that reflects the light to the observers prism. The object the top prism is pointed at is seen at the bottom one.
The volume of a rectangular prism would double if you double the height.
refraction
by looking inside a prism
inside the gas tank.
the smallest angle between the incident and the emergent ray
I don't know
it makes a rainbow
A rainbow