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__________ is also known as the Principle of Photochemical Activation.

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__________ is also known as the Principle of Photochemical Activation.

(a) Grothus–Draper law

(b) Lambert’s law

(c) Draper law

(d) Stark law

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The above asked question is from Laws of Photochemistry in portion Photochemistry of Engineering Chemistry I

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Right answer is (a) Grothus–Draper law

The explanation is: Grothus–Draper law is also known as the Principle of Photochemical Activation. This law states that only that light which is absorbed by a system is responsible for doing a photochemical change.

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