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.