Physics 1135 (Engineering Physics I)

Lecture 27: Wave interference

Objectives: In this lecture, students will learn to
  • analyze superposition of waves
  • construct standing waves
  • analyze waves on a string with two fixed ends
  • interpret frequency selection as a boundary problem
  • relate fundamental frequency of waves on a string to properties of the string
  • analyze interference of waves from two sources
  • apply interference concepts to example problems
Lecture Notes: Videos:

Introduction. Important announcements! lec27_1.mp4
Standing waves lec27_2.mp4 with captions
Waves on a string with fixed ends lec27_3.mp4 with captions
Examples for standing waves lec27_4.mp4 with captions
Interference lec27_5.mp4 with captions
Example 1 for interference lec27_6.mp4 with captions
Example 2 for interference lec27_7.mp4 with captions

Homework assignment: HW #27