week 12b

# week 12b - Physics 1240 Today Review for Exam II Next time...

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Physics 1240 Tues 3/31/2011 Today: Review for Exam II Next time: Exam II in-class Last time: Waves in Pipes

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Exam II 25 problems, multiple choice – 4 points each Scantron (bubble sheet) Fletcher Munson diagram and keyboard note chart attached One side of one 8”x11” page of notes. Handwritten. Conventional calculator with logarithms ok. No phones, computers, other electronic devices. #2 pencil and eraser
Summary of Topics Interference, Beats Section 4.5 Diffraction Section 4.2 Intensity, Decibel Scale Sections 5.1, 5.2, 5.5 Loudness Sections 6.3, 6.4, 6.6 Hearing perception and the human ear Sections 6.1, 6.2 Virtual Pitch Covered in class Waves on a string All of Chapter 10 and 11 Natural modes of vibration All of Chapter 9 Posted Course notes: Thursday Week 4 – Thursday Week 10

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Spatial Interference
Temporal Interference -- Beats = 100 Hz 105 Hz f beats = f 1 – f 2 = 5 Hz P beats = 0.2 s f = 1 / P = 5 Hz (remember 1/s = 1 Hz)

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week 12b - Physics 1240 Today Review for Exam II Next time...

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