Measuring wave velocity (AQA GCSE Physics Combined Science): Flashcards
📚Flashcards
Practise the cards
13 cards from this deck
ShowHide
Practise the cards
13 cards from this deck
Wave speed formula using distance and time
Wave speed formula using distance and time
Wave speed formula using frequency and wavelength
Wave speed formula using frequency and wavelength
Definition of frequency in waves
Definition of frequency in waves
How many waves per second
Definition of wavelength
Definition of wavelength
The length of one complete wave
Greek symbol for wavelength
Greek symbol for wavelength
(lambda)
Units for wave speed
Units for wave speed
m/s
Echo method: why double the distance to the wall?
Echo method: why double the distance to the wall?
Sound travels to the wall AND back again
Microphone method: what does distance between mics equal?
Microphone method: what does distance between mics equal?
One wavelength
Ripple tank: purpose of strobe light
Ripple tank: purpose of strobe light
To make the wave pattern appear to stand still
Ripple tank: how to find wavelength
Ripple tank: how to find wavelength
Measure the distance between wave crests
Why repeat measurements several times?
Why repeat measurements several times?
To get more accurate results and reduce errors
Equipment that shows sound waves on a screen
Equipment that shows sound waves on a screen
Oscilloscope
Units for frequency
Units for frequency
Hz
