Examples for

Electromagnetic Radiation

Electromagnetic radiation covers a wide range of phenomena from radio waves to visible light to x-rays. Use Wolfram|Alpha's wide selection of formulas and computations to explore properties of the electromagnetic spectrum. Compute properties of Larmor radiation or identify visible colors by their wavelength.
Electromagnetic Radiation

Calculate the features of electromagnetic radiation using a diverse selection of formulas.

Compute Larmor power:

Larmor power

Compute Larmor frequency:

Larmor frequency electron

Compute a gyromagnetic ratio:

gyromagnetic ratio formula proton

Visualize the radiation pattern of an antenna:

antenna 4cm, 10 turns

Get information about EMR of specified frequency:

500 MHz

Compute the attenuation coefficient for radio waves in air:

absorption of em waves at 30 C and 20% humidity
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Colors of Light

Find properties of spectral colors, including their effective temperature and wavelength ranges.

Explore properties of colored light:

red colored light

Find facts about the colors of light:

energy per photon of yellow light
effective temperature of orange light

Examine atom spectra:

yellow spectral lines

Compute the visible light color corresponding to a frequency:

700 THz light

Compute the visible light color corresponding to a wavelength:

600nm light
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