Question 1
Which option describes the relationship between wave intensity and amplitude when a sound wave's amplitude is reduced to one-third of its original value?
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Physics · Unit 2 · Waves · Wave properties
Describe the concept of intensity and its proportionality to the square of the amplitude.
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Question 2
Describe the relationship between wave intensity and amplitude.
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Question 3
A student investigates sound waves produced by a speaker at different voltage settings. The oscilloscope traces below show the waveforms at two different voltages. **Figure 1: Sound wave at 2.0 V** Amplitude: 0.40 V (peak to centre) Frequency: 440 Hz **Figure 2: Sound wave at 4.0 V** Amplitude: 0.80 V (peak to centre) Frequency: 440 Hz Describe the relationship between intensity and amplitude, and explain how this relationship is demonstrated by the data shown.
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Question 4
Describe the relationship between intensity and amplitude for the two waves, and explain the significance of this relationship for energy transfer.
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