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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
The physico-chemical properties of cyanocobalamin are as follows: a) The vitamin can be obtained in a crystalline form. b) It is freely soluble in water. c) Crystal
what is the first layer of the earth
Determine the Crop factors of fertilizers Crop responses to fertilizers vary with the nature as well as the variety of the crop which in turn is related to the cation exchange
Which latitudes and dates would coincide with the longest duration of insolation: 50oNorth on June 21
Consider the following differential equation: t 2 x''+ 5 t x' + (3 + 2 t) x = 0 a. Show the steps needed to derive the recursive formula for the coefficients of the pow
TO SHOW WHERE AIR MAY BE FOUND 1) Plunge a narrow-necked bottle, mouth down into ajar of water. Slowly tip the mouth of the bottle in the direction of the surface of the water
How to prepare hydrogen Hydrogen can be prepared from a dilute acid, like as hydrochloric or sulphuric, when it is chemically reacted with a metal like as zinc. The acid may be
Explain Hypercapnia and Hypocapnia - Histotoxic Hypoxia Hypercapnia: It is the retention of carbon dioxide in the body. There is a depression of the central nervous system.
does giraffes have short necks?
Foam extinguishers : If the burning liquid is in a container the jet should be directed at the inside edge of the vessel or at a vertical surface in order to break the jet and al
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