Core Practical: Measuring waves (Edexcel 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 does wave speed tell us?
What does wave speed tell us?
How fast energy is transferred through a substance
4 equipment items for measuring sound waves in air
4 equipment items for measuring sound waves in air
Two microphones, oscilloscope, loudspeaker, signal generator
Distance between microphones when waves align (1 wavelength)
Distance between microphones when waves align (1 wavelength)
The wavelength of the sound wave
Wave speed formula
Wave speed formula
(speed = frequency × wavelength)
Equipment to measure water waves in ripple tank
Equipment to measure water waves in ripple tank
Signal generator, dipper, strobe light
What does frozen wave pattern indicate (strobe light)?
What does frozen wave pattern indicate (strobe light)?
Strobe frequency matches water wave frequency
How to find average wavelength in ripple tank
How to find average wavelength in ripple tank
Measure distance between crests, divide by number of wavelengths
What to measure when rod is struck with hammer
What to measure when rod is struck with hammer
Peak frequency of sound waves produced
Repetitions needed for solid rod experiment
Repetitions needed for solid rod experiment
Three times (then calculate average frequency)
Wavelength relation to rod length in solids
Wavelength relation to rod length in solids
Wavelength is twice the length of the rod
Unit for wave speed
Unit for wave speed
Metres per second (m/s)
Unit for frequency
Unit for frequency
Hertz (Hz)
Unit for wavelength
Unit for wavelength
Metres (m)