Physics Sound & Waves Lab
Wave from Helix
For demonstration of wave motion, pulses, reflection and interference, steel wire close wound helix, 19 mm diameter closed length 3 meters extending to approximately 9 meters
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Sonometer Student
Simple type model, it comprises a wooden board 700 x 90 mm (L x W) on four feet, fitted with two steel wires about 0.3mm x 1m (dia x length). At one end of base there are two 50 N spring balances with hooks and at the other end are two wrest pins, supplied complete with three bridges, one large, to span both wires and two small bridges for individual wires, two steel wires 0.3 mm dia. x 1 meter long.
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Resonance Apparatus
It consists of a tube 100cm long, 25mm dia mounted on a stand which is fitted with leveling screws. The lower end of the rubber tubing provided is connected to the 500ml glass reservoir which slides on a metal rod and can be raised or lowered for adjusting the length of column of air. It is used to measure the velocity of sound waves in air at room temperature by using a tuning fork.
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