The first action spectrum was obtained by?
Correct answer: A. Theodor Wilhelm Engelmann
- A. Theodor Wilhelm Engelmann
- B. Malleus
- C. Ada Lovelace
- D. Linus Pauling
Explanation
The first action spectrum was made by T. W. Engelmann, who split light into its components by the prism and then illuminated Cladophora placed in a suspension of aerobic bacteria.
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