light spectrum
[laɪt ˈspɛktrəm]
nounpl: light spectra / light spectrums
espectro luminoso / espectro da luz
1. The range of all types of electromagnetic radiation ordered by wavelength or frequency, visible to the human eye or detected by instruments
The light spectrum includes ultraviolet, visible, and infrared radiation.
O espectro luminoso inclui radiação ultravioleta, visível e infravermelha.
2. The band of colors produced when white light is dispersed by a prism or diffraction grating
A rainbow displays the visible light spectrum with colors ranging from red to violet.
Um arco-íris exibe o espectro visível da luz com cores variando de vermelho a violeta.
3. In physics, the distribution of light intensity or power as a function of wavelength or frequency
Scientists analyze the light spectrum to determine the composition of distant stars.
Os cientistas analisam o espectro da luz para determinar a composição de estrelas distantes.
The term 'light spectrum' is primarily used in scientific, educational, and technical contexts in both English-speaking countries and Brazil. In Brazil, it is commonly taught in physics classes and used in academic research. The concept is fundamental to understanding optics, astronomy, and quantum mechanics. Both 'espectro luminoso' and 'espectro da luz' are acceptable translations, with the former being slightly more technical.
Related Idioms & Phrases
across the spectrum - em todo o espectro
the full spectrum - o espectro completo
visible spectrum - espectro visível
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