11. VIBRATIONS AND WAVES
11.1 Simple Harmonic Motion
- Definitions of vibrations, periodic motion, equilibrium position,
displacement, amplitude, period and frequency
- Description of the motion of an oscillating spring
- Definition of simple harmonic motion
11.4 The Simple Pendulum
- Derivation of the period of a simple pendulum
11.6 Forced Vibrations: Resonance
- Definition of the natural frequency of an object
- Definition of resonance and resonant frequency
- Description of examples of resonance
11.7 Wave Motion
- A wave pulse and a periodic wave are defined
- A periodic sinusoidal wave is described
- Equation for wave velocity in terms of its frequency and
wavelength
11.8 Types of Waves: Transverse and Longitudinal
- Definition, characteristics and examples of longitudinal,
transverse and surface waves
11.9 Energy Transmitted by Waves
- Describe the relationship between energy of a wave and its
amplitude
11.11 Reflection and Interference of Waves
- Description of the behavior of waves at a boundary
- Distinguish between constructive and destructive interference
- The principle of superposition is stated
11.12 Standing Waves
- Definition of standing waves
- Calculation of the fundamental frequency and overtones