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Section 3a & b: Waves (key terms (wavelength (λ) = the distance from…
Section 3a & b: Waves
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properties of waves
waves often have high frequency which is given in kHz or MHz
1 kHz = 1000 Hz, 1MHz = 1,000,000 Hz
e.g. 900MHz = 900,000,000 Hz
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key terms
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period (T) = the time it takes (in seconds) for one complete wave to pass a point e.g. a wave with a period 0.002s has a frequency 1 ÷ 0.002 = 500Hz
longitudinal waves
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sound waves, ultrasound waves, shock waves e.g. some seismic waves
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