Waves (AQA GCSE Physics): Flashcards
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13 cards from this deck
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Practise the cards
13 cards from this deck
What do waves transfer?
What do waves transfer?
Energy and information
Frequency definition
Frequency definition
How many waves pass a point each second
Unit for frequency
Unit for frequency
Hertz (Hz)
Wavelength definition
Wavelength definition
Distance between two matching points on a wave
Amplitude definition
Amplitude definition
Maximum distance a point moves from its normal position
Correct way to measure amplitude
Correct way to measure amplitude
From middle line to top (or bottom), not full height
Period definition
Period definition
Time taken for one complete wavelength to pass a point
Formula relating period () and frequency ()
Formula relating period () and frequency ()
Particle motion in longitudinal waves
Particle motion in longitudinal waves
Vibrate back and forth in same direction as wave travels
Particle motion in transverse waves
Particle motion in transverse waves
Move up/down or side to side, at right angles to wave direction
Example of a longitudinal wave
Example of a longitudinal wave
Sound waves
Examples of transverse waves
Examples of transverse waves
Water ripples, light waves, electromagnetic waves
What travels in a wave (not particles)
What travels in a wave (not particles)
Energy