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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
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On the day of the summer solstice in the Southern Hemisphere, the sun can be seen overhead at what location around the globe? At Tropic Of Capricorn
what properties identify nonmetals
Imagine a small observer is positioned in front of cork in your picture above. As the cork approaches, the observer measures the wavelength of the waves passing by. How does this w
Floating a needle on water Thoroughly dry a steel needle. Place it on the tines of a dinner fork and gently smash the surface of the water in a dish with the fork. If you are c
#question: Describe the factors which decide the broad area of Scientific activity ?
Density of the Earth's Layers Density and gravity caused the proto-Earth to cool and settle into four distinct layers. The four layers are, from top to bottom: the crust, the
Measuring atmospheric pressure with a rubber sucker The force needed to pull the sucker away from a smooth surface can be found by using a spring balance. The area on which the
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#question how can i easily remember the order of draw and the colors of the tubes and their purpose? ..
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