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Observing sun spots
Use the telescope that you made in a last experiment. Set it up so that it points directly at the sun and focus it so that a clear and bright image of the sun is formed on a piece of white cardboard placed a short distance from the eyepiece lens. If sun spots are there on the surface of the sun you may be able to observe them as small dark spaces of irregular outline on the image. Caution. Do not look at the sun by the telescope, unless your eyes are protected by a dark glass filter.
Soil Pollution: The problem of soil pollution is rapidly increasing in the rural, urban and industrial areas due to unscientific and irrational disposal of solid wastes gene
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Define Red Cells – Component of Blood These are employed in the treatment of all kinds of anaemia which can't be medically corrected, like when rheumatoid arthritis or cancer i
Explain the Anterior Pituitary The anterior pituitary gland or adenohypophysis consists of three types of cells - acidophils, basophils and chromophores according to their stai
Curing methods: The most impbrtant curing methods were classified under five heads, namely, inducing vomiting, giving purgative, enem;, oily enema and nasal therapy. Specifi
OBLIGATIONS OF THE TEACHERS AND THE HEAD OF THE INSTITUTION TOWARDS MAINTAINING LABORATORY SAFETY Safety in laboratory work is the collective responsibility of the Head of the
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Ask question #Minimum 100 wordsaccepted# examine the relationship between logic and philosophy
methods of heat transfer
Explain ABO Blood Grouping System As the name suggest, this is based on the presence or absence of 9 antigens A and B, on the surface of RBC. If either of these antigens is pr
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