Waves in Air, Fluids & Solids (AQA GCSE Physics Combined Science): Flashcards

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Wave equation
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Wave equation formula

v=fλv = f \lambda

vv in wave equation

Wave speed

ff in wave equation

Frequency

λ\lambda in wave equation

Wavelength

Unit for wave speed

m/s

Unit for frequency

Hz (hertz)

Unit for wavelength

m (metres)

Wave equation rearranged to find λ\lambda

λ=vf\lambda = \frac{v}{f}

Wave equation rearranged to find ff

f=vλf = \frac{v}{\lambda}

Definition of frequency

How many waves pass a point every second

Definition of wavelength

Distance between two identical points on a wave

Speed of sound waves in air

340 m/s

Speed of light waves

3×1083 \times 10^8 m/s

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