Measuring wave velocity (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Why must you double the distance to the wall when using the echo method to find sound speed?
Why must you double the distance to the wall when using the echo method to find sound speed?
Sound travels to wall and back
Which formula is used to calculate speed in the echo method?
Which formula is used to calculate speed in the echo method?
What equipment is needed for the oscilloscope method to measure sound speed?
What equipment is needed for the oscilloscope method to measure sound speed?
Two microphones and oscilloscope
Which formula calculates wave speed using frequency and wavelength?
Which formula calculates wave speed using frequency and wavelength?
What is the purpose of the strobe light in a ripple tank?
What is the purpose of the strobe light in a ripple tank?
Makes moving waves appear stationary
A clap is made 480m from a wall. The echo is heard 3s later. What is the sound speed?
A clap is made 480m from a wall. The echo is heard 3s later. What is the sound speed?
320 m/s
Wavelength is 0.35m, frequency is 1000Hz. What is the wave speed?
Wavelength is 0.35m, frequency is 1000Hz. What is the wave speed?
350 m/s
What does wavelength measure?
What does wavelength measure?
Distance between two wave peaks
Why is the oscilloscope method more accurate than the echo method?
Why is the oscilloscope method more accurate than the echo method?
Eliminates human reaction time errors
What equipment creates the waves in a ripple tank?
What equipment creates the waves in a ripple tank?
Vibrating paddle
Why should you repeat experiments several times when measuring wave speed?
Why should you repeat experiments several times when measuring wave speed?
Get better, more reliable results
How do you measure one wavelength using the oscilloscope method?
How do you measure one wavelength using the oscilloscope method?
Move microphones until waves are one wavelength apart