PH 331 - Study Guide for Midterm Exam

Textbook

Chapters 1, 2, 3, 10, 11, 12 and 13

Chapter 1 Questions 4a, 6, 7ab Problems 1, 3

Chapter 2 Questions 1, 2, 3, 4, 9, 15a, 16a Problems 1, 2, 7

Chapter 3 Questions 5, 6, 13 Problems 1, 2, 3, 5

Specific Topics

Sound, hearing, music, velocity or speed, mass, force, pressure, density, periodic motion, simple harmonic motion (SHM), linear restoring force, amplitude, period, frequency, phase angle, resonance, damping, the speed of sound in air, The Principle of Superposition, constructive and destructive interference, diffraction, refraction, reflection, beats, The Doppler Effect, ultrasound, infrasound, Mersenne's Laws, standing waves on strings and in air columns, nodes and anti-nodes, fundamental frequency, harmonics, bowing, action, edge tones, reed tones and register key.

Problem Solving

1) frequency and period

2) speed, frequency and wavelength

3) amplitude

4) sine, square and triangle waves

5) two notes played together: average frequency and beat frequency

6) strings: length, linear mass density, tension, fundamental and harmonics

7) air columns: open at both ends or closed at one end, fundamental and harmonics

8) graphical superposition of two waves