The Luminous Equivalent of Radiation (Classic Reprint) - Hardcover

Inhaltsangabe

Excerpt from The Luminous Equivalent of Radiation

But, while the heat equivalent of mechanical energy is a fixed quantity, the luminous equivalent of radiation varies enormously with the wave length of the radiation concerned and to a slight ex tent with its intensity as well. The principle of the conservation of energy does not apply to light, either objective or subjective. Light is not a simple multiple of radiation, but a complicated func tion of its quality, quantity, and duration. This article is devoted to the formulation of these complex relations.

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