Measuring the Speed of Waves (AQA GCSE Physics): Flashcards
📚Flashcards
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13 cards from this deck
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Practise the cards
13 cards from this deck
Distance from wall in echo method for sound
Distance from wall in echo method for sound
~50m
Echo method for sound speed (steps)
Echo method for sound speed (steps)
Make noise ~50m from wall, time echo, speed = distance/time
Microphone method for sound speed
Microphone method for sound speed
2 microphones at large distance, time difference, speed = distance/time
Stroboscope frequency for water ripples
Stroboscope frequency for water ripples
Same frequency as the water waves
What to measure with stroboscope (ripples)
What to measure with stroboscope (ripples)
Distance between 'fixed' ripples
Wave speed equation using frequency & wavelength
Wave speed equation using frequency & wavelength
in wave equation
in wave equation
Wave speed
in wave equation
in wave equation
Frequency
in wave equation
in wave equation
Wavelength
Units for wave speed
Units for wave speed
Metres per second (m/s)
Units for frequency
Units for frequency
Hertz (Hz)
Units for wavelength
Units for wavelength
Metres (m)
Pencil method for ripple speed
Pencil method for ripple speed
Move pencil at wavefront speed, time it, speed = distance/time