Wave from Helix (Slinky)

The apparatus consists of a wooden framed tray with a plate glass base and detachable legs, overall size of tray 600x 520x 56mm deep.

A pair of support rods with integral ‘G’ clamps is provided which can be attached to the sides of the tank and used to carry the wave generating system. A set of 4 metal barriers (reflectors) is included consisting of a pair of straight barriers 150 x 25mm, a curved barrier of 215 mm. chord length x 25mm high and a short, straight barrier 25 x 25mm, to minimize unwanted reflections from the sides of the tank a set of four loose gauze strips are provided which, when is use, are arranged around the edges to from a ‘beach’ on all sides.

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.