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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
Layers of the Sun: Tbe Sun's body is made up of several layem Tbe layer that forms the viable surface of the Sun is called the photosphere-it is the surface that demarca
ht are the examples oof a solution and its characteristics?
Beyond the milky Way Galaxy: Let us now move away from the Earth and venture into the space beyond. If we were at a point far out in space we would see scattered in space, a
Nuclear Reactor: Nuclear fission can be maintaned as a controlled cjiain reaction in a nuclear reactor to produce energy. Fermi had found from experiment that slower moving
Explain Rh Blood Grouping System Some individuals also have a so called Rh antigen on the surface of their RBCs. Those who have it are called Rh (+) and those who do not have i
DISPOSAL OP CARCASS : After the experiment with an animal is over, the dead animal, i.e. carcass should not be left in the laboratory. The dead animals start decaying and putr
1. If the landfill had a compacted density of 600 Kg/m3 a refuse depth of 9 m (29.5 ft), a moisture content of 20% by volume, and a 1-m (3.25-ft)-thick clay cover with a 2% slope
HOW TO ORGANISE AN INTERACTION SESSION: How should we begin? What are the norms? What is the time slot? Any assessment criteria? These and many such questions may be coming to you
Diagrammatically explain about the complementary nature of atomic absorption spectrophotometer and atomic emission spectrometry.n..
The water will not run through the cloth Choose a glass jar and a piece of cloth from an old sheet or handkerchief. Fill the jar with water. Wet the cloth well, stretch it over
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