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Explain the Photosensitive Detectors?
A wide range of detectors varying in senstivity and cost are available. They contain a light sensitive surface that releases electrons in number proportional to the intensity of light on it, converting light energy into electrical energy. The current thus generated is a direct function of the light intensity. Different detectors used are:
a) Barrier layer cells
b) Photoemissive tubes
c) Photomultiplier tubes
d) Photoconductive cells
a) What are the advantages of human milk over cows' milk for feeding babies? b) Apart from the composition of the milk, what are the other advantages of breast- feeding?
Discuss why humans not evolve with one central repository of DNA rather than having it replicated throughout the body?
chracters
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#question.unique features of amoeba.
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