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

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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.

    • 2 years ago
    Penn Physical Science Lesson 3 700171RR/Penn Physical Science Lesson 3 700171RR
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