Lambert, Johann Heinrich

Lambert, Johann Heinrich (1728-1777) Swiss-born mathematician, physicist and astronomer in Augsburg and Berlin he studied hght intensity and also developed a theory of the generation of the universe that was similar to the nebular hypothesis that Thomas Wright and Immanuel Kant had (independently) developed. 

The second relationship is Lambert s law, (named after the German physicist Johann Heinrich Lambert) which states that the intensity of a beam of parallel, monochromatic light decreases exponentially as the light travels through a thickness of homogeneous medium , expressed mathematically as... 

Johann Heinrich Lambert (1728-1777), mathematician, physicist and philosopher, was a tutor for the Earl P. v. Salis in Chur from 1748-1759, where he wrote his famous work on photometry [5.2]. In 1759 he became a member of the Bavarian Academy of Science and upon proposal by L. Euler became a member of the Berlin Academy of Science in 1765. Lambert wrote several philosophical works and dealt with subjects from all areas of physics and astronomy in his numerous publications. He presented the absolute zero point as a limit in the expansion of gases and constructed several air thermometers. In 1761 he proved that v and e are not rational numbers. His works on trigonometry were particularly important for the theory of map construction. 

The way in which light is ahsorhed was studied hy Johann Heinrich Lambert (1728-1777), who first expressed it in the differential form,... 

Due to the interaction of solar radiation with molecules and particles of the atmosphere, the radiant flux decreases with the path x through the atmosphere (Fig. 2.12). Johann Heinrich Lambert showed in 1760 that the reduction of light intensity is proportional to the length of path x (or layer thickness) and the light (radiant flux) itself, A = x E, from which we derive the equation fIF... 

Johann Heinrich Lambert (1728-1777) Swiss mathematician, physicist, and astronomer Berlin, Germany, t August Beer (1825-1863) German physicist and mathematician Bonn, Germany. 

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