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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
Enzyme immobilizatio:- The attachment of an enzyme to a solid matrix so that it cannot escape but can still act on its substrate. .
Explosives : As defined earlier, explosives release a large amount of gas and energy in a very short time. These are of four basic types: Mixed gases - Usually the mixture
Define the Factors That Influence the Facilitated Diffusion Facilitated diffusion is influenced by the following factors: Minor differences in the molecular structure ma
Earth How do we describe the 'big ball' on which we live? Seen from space, it appears as a bluish-white sphere. Its wealth of plant and animal life, snow covered peaks, blue oc
how do plates make there own food
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Define the parietal area of the Cerebrum The parietal area, as you can see in the Figure, lies behind the post central area and includes greater part of parietal lobes of the c
Control of soil erosion: The most significant measures of erosion control include (i) growth of grasses, shrubs and trees on soils and (ii) construction of a drainage system w
Effects of Soil Aeration Some soil pores are full of O 2 and/or CO 2 gas. These gases take part in the respiration of plants. We know that respiration involves the oxidatio
what is the weigt on earth of an object that has a mass of 22 kg?
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