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 ...

Before doing this section you should revise the National 4 Lifeskills Maths section on Volume. Often volume questions at National 5 involve a composite solid (a solid made up of at least two basic ...

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 ...

THE revised edition of Prof. SouthalPs text-book of geometrical optics, in addition to a number of new problems scattered throughout the book, contains an important new chapter at the end of the ...