Question

Grothus dropper law?​

Answer 1

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$\implies$The Grotthuss–Draper law (also called the Principle of Photochemical Activation) states that only that light which is absorbed by a system can bring about a photochemical change. ... The law was first proposed in 1817 by Theodor Grotthuss and in 1842, independently, by John William Draper.

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Answer 2

❥Answer

The Grotthuss–Draper law (also called the Principle of Photochemical Activation) states that only that light which is absorbed by a system can bring about a photochemical change. ... The law was first proposed in 1817 by Theodor Grotthuss and in 1842, independently, by John William Draper.