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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
ACTIVITY 1 TO CALCULATE CURRENT DRAWN BY THE GIVEN APPLIANCES AND SUGGEST PROPER FUSE RATING AND PLUG TYPE Here , you hence learnt how to calculate the current drawn by an
how do plates make there own food
What are the ratios allowed for three year olds and Child Care Centers in Colorado and what is the citation of the rules that addresses ratios?
What is First Aid? First-aid is the immediate and temporary care given to the victim of an accident or sudden illness. Its purpose is to (1) help preserve life, (2) preve
Eicosanoids : Local hormone formed by body tissues during self-healing responses to stimuli.
The Ptolemaic System: The theoretical n'mdel of the universe given by the Greeks had a stationary Earth at its centre, around which the Sun, the Moon and the planets moved in c
Explain Gut secretions - External Defence Mechanism From the saliva and respiratory tract, bacteria reach the gut, here they are killed by the hydrochloric acid and proteolytic
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Explain the Blood Urea Nitrogen (BUN) It is a test that measures the amount of urea nitrogen in the blood. Urea is formed in the liver as an end product of protein metabolism a
What is Soil Aggregation and explain its beneficial role Some organisms may play a beneficial role indirectly by creating better soil physical conditions e.g., by improving soi
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