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Resonance Bowl Manufacturer,Supplier and Exporter in India

Product Code : ILS-SAR-11745

Indian Lab Suppliers supplies the Resonance Bowl (Product ID: 11745) as part of its sound and resonance range. A handled bowl that, rubbed on its handles, vibrates strongly enough to throw spouts of water from its surface.

Quick Answer

Add water and rub the handles with a steady stroke. The friction drives the bowl at one of its natural frequencies, and a standing wave forms round the rim with four antinodes; at those points the water is thrown up in spouts. Four fish and water streams engraved in the bowl mark where the spouts should appear. Steady rubbing builds up the vibration, while the pitch itself is set by the bowl and its water level rather than by each stroke. Getting the spouts takes a little practice.

Key Specifications

Parameter	Detail
Mode shown	Standing wave with four antinodes round the rim
Markings	Four engraved fish and water streams

Where This Is Used

Used as a memorable demonstration of standing waves and resonance. Related: Singing Rods (Product ID: 11741) and Sympathetic Tuning Fork Set (Product ID: 11744). Browse the full Sound and Resonance range or related Wave Motion products.

Frequently Asked Questions

Where do the spouts appear?
At the four antinodes of the standing wave, marked by the engraved fish.

Does rubbing faster raise the pitch?
No, it builds up the vibration; the frequency is set by the bowl and water level.

Is it easy to do?
It takes a little practice to find the right touch.

Related Categories

Sound and Resonance · Wave Motion · Physics Lab Equipment

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