Light, lenses, mirrors, sound and wave behaviour
Speed of a wave from frequency and wavelength.
Time for one complete oscillation.
Refraction of light between two media.
Ratio of light speed in vacuum to that in a medium.
Angle beyond which total internal reflection occurs.
Relates focal length to object and image distances.
Image size relative to object size.
Focal length relation for curved mirrors.
Optical power in dioptres (f in metres).
Condition for constructive interference maxima.
Spacing of interference fringes on a screen.
Observed frequency shift from relative motion.
Loudness in decibels relative to threshold.
Energy of a single photon.
Photon energy from its wavelength.
Intensity of polarised light through a polariser.
Harmonic frequencies of a fixed string.
Speed depends on tension and linear density.