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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
Q.What are the two forms of oxygen found in the atmosphere? The two forms of oxygen found in the atmosphere are: (i) Diatomic molecular form with chemical formula O 2 . (i
Freezing by Contact with a Cooled Liquid: Immersion Freezing In this method, the food is immersed in low-temperature brine to achieve fast temperature reduction through direct
State the Chemical and Physical processes of weathering The chemical and physical processes of weathering aid each other. A rock mechanically broken into smaller pieces exposes
Ask question how many years that our earth survived?#Minimum 100 words accepted#
Health food online store In today's world when almost everything has become easy with just a click on the mouse, even shopping for normal groceries has been revolutionized by m
Miller's Experiment The above theory could be tested by recreating in the laboratory on a small scale, the conditions which must have existed when life originated on the
Explain Cutabolic reactions Cutabolic reactions: The cycle provides a means for the degradation of two carbon acetyl residues which are derived from carbohydrates, fatty
Digestion in the Mouth The mouth receives food. The tongue serves in swallowing, manipulating the food for chewing and in perceiving taste. The teeth mechanically subdivide
Metamorphic rocks Igneous and sedimentary rocks that have been altered from their previous condition through the combined action of heat and pressure below Earth's surface are
The active ingredient in Antabuse, a drug used for the treatment of chronic alcoholism, is tetraethylthiuram disulfide, C10H20N2S4 (fw = 296.54). The sulfur in a 0.4329 g. sample o
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