A particle accelerator that transfers a charge from an electron source to an insulated sphere by means of a moving belt composed of an insulating material.

The band of colors produced when sunlight is dispersed by a prism.

The splitting of atomic energy levels into two or more sublevels by means of a magnetic field as seen in spectral lines under these conditions.

A magnet produced by induction.

Voltage applied to a semiconductor P-N junction that reduces the electron current across the junction.

The point in a thin lens through which the secondary axes pass.

Invisible electromagnetic radiations of great penetrating power.

The ratio of stress to strain in a solid.

The equation derived from a basic equation as an expression of the unknown quantity in a problem directly in terms of the unknown quantities stated in the problem. The working equation is the mathemat [..]

The product of a displacement and the force in the direction of the displacement.