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Back to 17.5 Sound Interference and Resonance: Standing Waves in Air Columns

17.5 Exercise 7

Avg difficulty 2.5

A student is shaking a flexible string attached to a wooden board in a rhythmic manner. Which of the following choices will decrease the wavelength within the rope?

  1. The student could shake her hand back and forth with greater frequency.
  2. The student could shake her hand back in forth with a greater amplitude.
  3. The student could increase the tension within the rope by stepping backwards from the board.
  1. I only
  2. I and II
  3. I and III
  4. II and III
  5. I, II, and III

OpenStax College Physics 2e, 17.5 Sound Interference and Resonance: Standing Waves in Air Columns, exercise 7

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.