Measure the length of acoustic waves in air or other gases with this all-in-one apparatus
Consists of a glass tube 80cm long and 32mm in diameter. At one end is a tightly fitting but adjustable cork piston fitted to a metal rod 100 cm long and at the other end, a loose fitting piston attached to a rod, 100 cm in length and 8 mm in diameter. Lycopodium powder (not supplied) can be used to show nodal points.
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