Question

What TW Engelmann did ??

Answer 1

T.W Engelmann use prism and split light and then illuminate on green algae and use aerobic bacteria . he found that bacteria accumulates at the region of red and blue light

Answer 2

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★ Theodor Wilhelm Engelmann (14 November 1843 – 20 May 1909) was a German botanist, physiologist, microbiologist, university professor, and musician whose 1882 experiment measured the effects of different colors of light on photosynthetic activity and showed that the conversion of light energy to chemical energy took .