PHYA10H3 Lecture Notes - Lecture 12: Longitudinal Wave
15 Jan 2016
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Phya10 practical week 12: below are two di erent motion diagrams. Each represents a snapshot of a wave moving with a speed of 0. 5 m/s, though they are moving in di erent directions. Each is taken at time t = 0. Draw and clearly label the history graphs that correspond to each situation for the particle at x = 0. 3 m: all waves have the following properties: amplitude, wavelength, frequency, wave speed, particle speed. Assume the waves are one-dimensional (like waves on a string) and there is no friction or absorption. That is, which properties can be changed by either the medium or the source? (d) based on your answers, what should happen to a wave that goes from one medium to another. When stretched, a wave should speed up or slow down when going from one to the other. See if you can qualitatively con rm your previous answers by playing with the spring.
