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Relate Wave Changes to Energy Changes
Worksheet
Grade Level
Grade 8
8.76 Relate Wave Changes to Energy Changes
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A song note stays the same, but the speaker volume is lowered. Which model best explains the smaller energy transfer?
A
The sound speed drops because the volume knob changed
B
The frequency drops because the volume knob changed
C
The compressions and rarefactions in air become weaker because the amplitude decreases
D
The sound changes to light
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