Home » Penn Physical Science Lesson 3 700171RR/Penn Physical Science Lesson 3 700171RR

Penn Physical Science Lesson 3 700171RR/Penn Physical Science Lesson 3 700171RR

  
Question 
Question 1 
1. Which one of the following scenarios accurately describes a condition in which resonance can occur? 
A. A pipe’s length is equal to 1?2 of the wavelength of the sound waves produced by a tuning fork vibrating over one end of the pipe that’s open to the air at both ends.
B. A column of air has a height equal to 1?8 of the wavelength of the sound waves produced by a tuning fork vibrating over the column of air in an open pipe that’s partially immersed in water.
C. A vibrating tuning fork is struck and begins to vibrate as the object used to strike it is placed away from the tuning fork.
D. A person is holding a tuning fork on one end of a football field and another person is holding a separate tuning fork on the opposite end of the field.
Question 2 
2. Sound waves can’t travel through 
A. a liquid.
B. an elastic material.
C. a vacuum.
D. a solid.
Question 3 
3. Which one of the following statements does not accurately describe vibrations? 
A. Resonance occurs as a result of sympathetic vibrations.

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