A prism has a constant cross-section throughout its length. When the cross-section is a triangle, the prism is called a triangular prism. When the cross-section is a hexagon, the prism is called a ...

Prisms are commonly used in spectroscopy for dispersing or controlling the direction or polarisation of light. This can be helpful for splitting the incoming light into its wavelength components to ...

Plans and elevations are 2D drawings of a 3D shape when looked at from different perspectives. Isometric close isometricA method of drawing a 3D shape from a specific perspective. dot paper is used to ...