Translation for "valotehokkuus" to english
Valotehokkuus
Translation examples
the luminous efficacy
Valotehokkuus on sähkövaloon liittyvä fotometrian suure, joka kuvaa, miten hyvin lamppu toimii valon tuottamisessa - miten hyvin sähköteho muuttuu valovirraksi.
The luminous efficacy of a source is the product of how well it converts energy to electromagnetic radiation, and how well the emitted radiation is detected by the human eye.
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