Wave Form Helix

Wave Form Helix

A long wave form helix (often called a "Snakey" spring) is a specialised physics apparatus used to demonstrate wave phenomena on a classroom-wide scale. Similar to a standard slinky, it's typically much longer and narrower, allowing for clearer visualisation of wave propagation over distance.

Compressing a section of the helix and releasing it lets students see "compression" and "rarefaction" pulses move along the spring, mimicking sound waves. Moving one end quickly side-to-side creates a wave crest that travels perpendicular to the spring's length, demonstrating how light or water waves move. Pulsed at specific frequencies, the helix creates stationary patterns with clearly visible nodes (points of no movement) and antinodes (points of maximum movement). Students can also observe waves reflecting off fixed ends or colliding with waves sent from the opposite side, demonstrating constructive and destructive interference.

Specification

• Dimensions: Approximately 19mm to 20mm dia.
• Extreme Reach: In its closed state it measures roughly 3 metres, but can be extended up to 9 metres without permanent deformation.
• Material: Close-wound tempered steel wire
• Attachments: Looped ends for easy anchoring to lab stands or furniture
• Product of India