Axis of a prism the straight line joining the centres of the ends of a prism is called the axis of the prism.

Axis the line segment joining the centres of two bases is called the axis of the cylinder.

Height of a prism the perpendicular distance the ends of a prism is called the height of the prism.

Prisms

Prisms

Lateral edges the line of intersection of the lateral faces of a prism are called the lateral edges of the prism.

The angle between any two refracting surfaces in a prism is called the angle of prism.

Define the Angle of the prism with respect to a prism.

Base of a prism the end on which a prism may be supposed to stand is called the base of the prism.

In the minimum deviation position, the………. In the prism is……… to the base of the prism.