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Making a simple reflecting telescope
A simple reflecting telescope can be made from a concave mirror obtained from a shaving mirror. The mirror is arranged wooden box of suitable size in such a way that it can be tilted at dissimilar angles. An upright made of wood is attached to the box so that its angle may also be varied. Two short focus lenses are fixed in corks which are then placed in a short length of mailing tube as an eye-piece. Then join this eye- piece attached to the wood upright exactly at the focal
Scientific Chemistry: The Arab doctors, perfumers and metallurgists made their greatest contribution in chemistry. This was mainly due to the fact that Arab scholars, unlike
how increases in atmospheric concentrations of carbon dioxide and other greenhouse gases cause global warming.
what is potential energy
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Define Systemic Physiology - physiology of growth and development There is a change in the blood count and rate of haemoglobin (Hb) production during the early days. Cardiovasc
Method of science: We have seen above that science is an enaeavour to understand nature and to mould it to satisfy human needs. In earlier units we have seen that, in this pr
Normally,on flat surfaces,heavier objects don''t travel as far as lighter objects when pushed with the same force.how would I explain why its different?
Diagnosis and Prognosis: The diagnosis and prognosis of disease were done directly by seeing, hearing, smelling and touching all external human organs and human waste and of
Aquestion #Minimum 100 words accepted#
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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