Core Practical: Measuring waves (Edexcel GCSE Physics Combined Science): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does the speed of a wave tell us?
What does the speed of a wave tell us?
How fast energy transfers through matter
Which equipment is needed to measure sound waves in air using an oscilloscope?
Which equipment is needed to measure sound waves in air using an oscilloscope?
Two microphones and a signal generator
In the oscilloscope method, what does the distance between the microphones represent?
In the oscilloscope method, what does the distance between the microphones represent?
The wavelength of the sound wave
In the oscilloscope method, where does the frequency value come from?
In the oscilloscope method, where does the frequency value come from?
The signal generator
What is the purpose of the strobe light in the ripple tank method?
What is the purpose of the strobe light in the ripple tank method?
To freeze the wave pattern for measurement
What does it mean when the wave pattern 'freezes' in the ripple tank method?
What does it mean when the wave pattern 'freezes' in the ripple tank method?
Strobe frequency matches wave frequency
How is average wavelength found in the ripple tank method?
How is average wavelength found in the ripple tank method?
Measure distance, divide by no. of waves
In the solid rod method, what is the wavelength of the wave?
In the solid rod method, what is the wavelength of the wave?
Twice the length of the rod
How many times is the solid rod experiment repeated?
How many times is the solid rod experiment repeated?
Three times
What are the units for wave speed?
What are the units for wave speed?
Metres per second (m/s)
What are the units for frequency?
What are the units for frequency?
Hertz (Hz)
A wave has frequency Hz and wavelength m. What is its speed?
A wave has frequency Hz and wavelength m. What is its speed?
m/s