Physics. The ratio of the transmitted luminous flux to the incident luminous flux.
| 单词 | θ76467 |
| 释义 | the world > matter > physics > electromagnetic radiation > light > intensity of light, luminosity > [noun] > rate, ratio (3) transmittance1919 Physics. The ratio of the transmitted luminous flux to the incident luminous flux. square law1921 a law relating two variables one of which varies either directly or inversely as the square of the other (cf. inverse square law, n.); also used att… luminosity1974 Astronomy. The intrinsic brightness of a heavenly body (as distinct from its apparent brightness, diminished by distance); the rate of emission of… |
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