Practice Quiz

AP Physics B Practice Exam

Category - Introductory Physics

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When a student listens to music, sound waves propagate from the speaker to her ear. Which of the following is a physical description of this process?
  1. Particles produced at the speaker move to the student’s ear.
  2. Energy is transported from the speaker to the student’s ear.
  3. Material is transferred from the speaker to the student’s ear.
  4. Clusters of air molecules are sent from the speaker to the student’s ear.
Explanation
Answer: B - Energy is transported from the speaker to the student’s ear.
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