* eV = electron-volts
The SI-system, unit converters, physical constants, drawing scales and more.
Solar radiation absorbed by various materials.
Bands and their ranges of frequencies and wavelengths.
Subtractive and additive color mixing.
Heat contributed by lights may have major impact on air-condition systems.
Lights vs. power installations in common types of buildings and rooms.
The visible light produced by light sources.
Light reflecting factor materials.
Heating with microwaves.
Geometric dilution of light vs. distance.
Heat transfer due to emission of electromagnetic waves is known as thermal radiation.
Some common fluids and their refractive index.
Common materials and their relative permittivity.
An introduction to the nature of sound with frequencies, wave-lengths and octaves.
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