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Observing sun spots
Use the telescope that you made in a last experiment. Set it up so that it points directly at the sun and focus it so that a clear and bright image of the sun is formed on a piece of white cardboard placed a short distance from the eyepiece lens. If sun spots are there on the surface of the sun you may be able to observe them as small dark spaces of irregular outline on the image. Caution. Do not look at the sun by the telescope, unless your eyes are protected by a dark glass filter.
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 the Transport of Carbon Dioxide in solution Carbon dioxide is amore soluble gas than oxygen. Its amount in solution is proportional to the tension. At a tension of 40
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Procedure 1 . After the dissection experiment is over the dead animals are put in disposable paper bags and the bag is sealed. Animal tissues and excreta should also be put and
Nature of scientific knowledge: Science, as we have seen, is inseparable from the rest of human endeavour. In the past few thousand years of human history, an immense fund of
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 are the Effects of Temperature variations Different minerals present in the rock behave differently to the changing temperatures. The rocks expand on getting heated at day
What is Soil Aeration Whatever may be the structure of aggregate, it introduces pores in the soils. These pores are filled by air and/or water and have a role in the plant grow
1. The Lennard-Jones potential is given by Where A and B depend on the depth of the potential well and the distance at which potential vanishes. Draw the profile of thi
carefully analyed the device sources of documentory data for geographic research
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