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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.
Explain the Osmosis Osmosis, quite simply, is the physical process, wherein there is transfer of a liquid solvent (water) through a semi-permeable membrane that does not allow
Media and Educational Environment: Some recent technological developments in media, have opened up new horizons. Besides, increasing use of media, to support and expand educa
write an essay about electrical energy conservation
3 human adaptations to help differential survivability, and three re differential fecundity
how are earths surface features built up
Applications of Optical Fibres: Fibre optics finds many applications in areas like medicine and communications which we will briefly describe. We will also discuss its advht
Moisture comes from home plants Place a cellophane bag over a leaf of some house plant or garden plant and close the end about the stem with a rubber band. Make an observation
Effects of Global warming ñ Alterations in the Global Precipitation: A more warm atmosphere will contribute to enhanced evaporation from surface waters and leads to the more
Explain the Organ of Perception - Pre-requisites of Colour Perception These are the receptors. Receptors, as you may already know, are the rods and cones cells present in the r
The Maximum theoretical limit of channel is governed by Nyquist theorem, which says Bth = 2 x freq in hertz x log2L ( where L = number of level) Thus we have in this case Bth= 2x60
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