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12 questions from this quiz
How fast energy transfers through matter
Two microphones and a signal generator
The wavelength of the sound wave
The signal generator
To freeze the wave pattern for measurement
Strobe frequency matches wave frequency
Measure distance, divide by no. of waves
Twice the length of the rod
Three times
Metres per second (m/s)
Hertz (Hz)
150150150 m/s
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