Maggots, Euglena, and Chlamydomonas Light Behavior
In an experiment, it was observed that when maggots are exposed to light, they move to dark areas. On the other hand, Euglena and Chlamydomonas move towards light.
(a) Name the type of response exhibited by the organisms
(b) State one advantage of the response shown by Euglena and Chlamydomonas.
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(a) Phototactic/ Phototaxis/ Phototaxism
(b) To trap light energy for use in photosynthesis
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Identify radiation B and provide an explanation for the differing deviations observed in the paths of radiations A and C as they pass through an electric field, as depicted in figure 15.
Determine the frequency of X-rays produced in an X-ray tube with a 12000V acceleration voltage, assuming full energy conversion, using Planck's constant and the charge of an electron.
Name the components labeled A and B in the X-ray tube, explain how altering the potential across P affects X-ray intensity, and describe the cause of the high temperature in the tube during operation.
