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To express the relationship between the number of molecules reacting with the number of photons absorbed, the concept of _____ was introduced.

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To express the relationship between the number of molecules reacting with the number of photons absorbed, the concept of _____ was introduced.

(a) quantum efficiency

(b) photon analysis

(c) quantum mechanism

(d) photon degradation

The question was posed to me in an online quiz.

I'm obligated to ask this question of Quantum Efficiency topic in portion Photochemistry of Engineering Chemistry I

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The correct answer is (a) quantum efficiency

For explanation: The concept of quantum efficiency was introduced to express the relationship between a number of molecules reacting with the number of photons absorbed. It is defined as the number of molecules of the substance undergoing photochemical change per quantum of radiation absorbed.

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