Which one of the following scenarios accurately describes a condition in which resonance can occur?
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a. 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. b. 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.
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 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.

B) A pipe's length is equal to 1/2 of the wavelength of the sound wave produced by a tuning fork vibrating over one end of the pipe that is open to the air at both ends.

Explanation:

Resonance occur when one object vibrating at the same frequency of another object force that object into vibration at a greater amplitude.

Let's consider a resonance tube partially filled filled with water and force into vibration by a tuning fork. The tuning fork will force the air inside the tube into resonance. As the tines of the tuning fork vibrate at their own natural frequency they create sound wave that impinge upon the opening of the resonance tube. These impinging sound wave produced by the tuning fork will force the air inside the resonance tube to vibrate at the same frequency of the tuning fork

The word resonance from the Latin word means resound - i.e to sound out together with a louder sound.

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

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