Angular frequency

Speed of any wave

Relation between wavelength and the propagation constant

Displacement function for a wave on a string

Speed of a wave on a string

Average power transmitted by a wave on a string

Displacement function for a standing wave

Allowed wavelengths for standing waves with displacement nodes at each end

Allowed wavelengths for standing waves with a displacement node at one end and an antinode at the other

Description of a one-dimensional sound wave

Speed of sound

Pressure amplitude of a sound wave

Index of refraction

Intensity of a sound wave

Sound intensity level

Inverse square law for intensity

Doppler effect for sound

Doppler effect for light

Relativistic Doppler effect for light

Law of reflection

Snell’s law

Superposition of Two Harmonic Wave Functions

Maxima for 2 Slit Interference

Minima for 2 Slit Interference

Diffraction Minima for Rectangular Slit

First Diffraction Minimum for a Circular Aperture

Image in a Plane Mirror

Image Formed by Plane Refracting Surfaces

Image Formed by a Spherical Mirror

Lens Maker’s Equation

Image Formed by a Thin Lens

Magnification of an Image