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The speed of a wave in a solid is investigated in this video. A signal generator and length of elastic are used to measure the frequency and wavelength of a wave, which allows wave speed to be calculated.
A ripple tank is used in this video to calculate the speed of a water wave by measuring the distance and time. This is a GCSE Combined Science and Physics Required Practical.
A ripple tank is used in this video to calculate the speed of a water wave by measuring the frequency and wavelength. This is a GCSE Combined Science and Physics Required Practical.
In this demonstration of a displacement reaction, a piece of foil in the shape of a Christmas tree is placed in lead nitrate solution. Within a few minutes the tree becomes covered with sparkling crystals of lead.