Gen Phys 1 Lab 9.docx

# Gen Phys 1 Lab 9.docx - Standing Waves Phys 1113 Lab#9...

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Standing Waves Phys 1113 Lab #9 Jaime McGurk, Javier Gomez, and Johan Guzman November 9 th , 2017

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Abstract Waves are the transportation of energy from one place to another without the transportation of matter. As the energy is transported, an amplitude is formed causing the wave to take on a shape similar the shape depicted by the sinθ graph. As these vibrations occur, a wavelength is formed with crests and troughs, and nodes and antinodes. The wavelength of a wave is the distance between two crests in a wave and is denoted by the symbol lambda, λ. The crests of a wave are the peak of the wave whereas the troughs are the bottom most point of the wave. The nodes are located at the crests and troughs of the wave while the antinodes are located at the place of zero displacement on the wave. Wavelength can be shown by the equation L = 1 2 λ where L is the length of the wave and is equal to 1 2 the wavelength, λ. Frequency is the rate at which a vibration occurs to form a wave and is typically measured in Hertz. The frequency of a wave can be shown by how small or large the wavelength (λ) of the wave is. Frequency can also produce a sound and while not always audible to humans, can be heard by an increase or decrease in pitch as the frequency rises or falls. When performing the lab, it was found that the frequency of a wave and the wavelength of a wave had a negative or inverse relationship with each other as shown in Graph 1. When performing the second part of the lab, it was found that the frequency of a wave and the period of a wave had a mostly positive or direct relationship with each other as shown in Graph 2.
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