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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
how does our lungs work
Describe the factors which decide the broad area of Scientific activity
What is permanent wilting percentage As plants absorb water from a soil, they lose most of it through evaporation at the leaf surface. Some water is also lost by evaporation d
Decline of the Bronze Age Civilisation: We find that the great developments in production methods that came with the rise of early cities lasted only f6r a few centuries. The
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The digestive system is made up of two groups of organs: Alimentary tract, which includes mouth, pharynx, oesophagys, stomach, small intestine, large intestine, appendix
equilibrium, Physics what is the effect of torque and equilibrium on taps, doors,handle bars and bicycles??
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Putting a point on a brush Secure a paint brush of some sort and get the bristles. Now dip the brush in water and you will view that surface tension has drawn the bristles tog
Define hydroxyl groups As glycerol has three hydroxyl groups , three molecules of fatty acids may get attached with it at the maximum. When one molecule of fatty
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