Physics 0.0 / 5 PhysicsWavesEnergyGCSEAQA Created by: Josey.gleesonCreated on: 20-05-15 09:55 calculate the speed of a wave speed(m/s) = frequency(Hz) x wavelength(m) 1 of 8 calculate the frequency of a wave frequency(Hz) = speed(m/s) / wavelength(m) 2 of 8 calculate the wavelength of a wave wavelength(m) = speed(m/s) / frequency(Hz) 3 of 8 what is K in units and how much is it? Kilo = 1,000 4 of 8 what is M in units and how much is it? Mega = 1,000,000 5 of 8 what is G in units and how much is it? Giga = 1,000,000,000 6 of 8 calculate the energy used in Joules(J) energy(J) = power(W) x time(in seconds) 7 of 8 calculate the efficiency used efficiency = useful energy(J) / total energy(J) 8 of 8

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