Singing Rods Manufacturer,Supplier and Exporter in India

Singing Rods

Product Code : ILS-SAR-11741

Indian Lab Suppliers supplies the Singing Rods (Product ID: 11741) as part of its sound and resonance range. Two rods that ring with a clear, loud tone when stroked, showing longitudinal standing waves.

Quick Answer

Hold a rod between thumb and forefinger at one of the three marked nodes, put a little of the included rosin on the other hand, and stroke along the rod from the holding point towards the end. The friction sets up a longitudinal standing wave, with a node where the rod is held and antinodes at the free ends, and the rod sings. The set has two rods, 75 cm and 50 cm; the shorter rod gives the higher pitch, showing how pitch depends on length.

Key Specifications

ParameterDetail
Rods2, lengths 75 cm and 50 cm
MarkingsThree marked node positions
IncludedRosin

Where This Is Used

Used to contrast longitudinal and transverse waves and to teach nodes and antinodes. Related: Sound Pipe (Product ID: 11742) and Resonance Apparatus (Product ID: 11748). The tone is loud, so keep it short close to ears. Browse the full Sound and Resonance range or related Wave Motion products.

Frequently Asked Questions

Why does the rod sing?
Stroking it excites a longitudinal standing wave along its length.

Where should it be held?
At one of the three marked nodes.

Why are there two lengths?
To show that the shorter rod gives a higher pitch.

Related Categories

Sound and Resonance · Wave Motion · Physics Lab Equipment

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Office Address

Works: #975 Malleshwaram,
Bengaluru, Karnataka 560003

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