Na-5 Nuclear Magnetic Resonance

Aim

To visually demonstrate nuclear magnetic resonance

Apparatus

  • NMR Demonstration Apparatus

Nuclear Magnetic Resonance

NMR Demonstration Apparatus.

Description

The billiard balls in the demonstration apparatus have an intrinsic magnetic moment supplied by an embedded magnetised disk. The demonstrator supplies a collinear angular momentum by manually setting the sphere spinning with a quick twist of the hand. The apparatus is subjected to a magnetic field rotating at the Larmor precession frequency perpendicular to a static field. Rotating the external field causes the classical "spin flip".