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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.How does the atmosphere act as a blanket? The atmosphere acts as a blanket by performing the following functions: (a) It keeps the average temperature of the Earth fairly c
FIRE HAZARDS IN THE LABORATORY : The average science laboratory is a particularly hazardous area when it comes to fire. Flammable liquids, compressed and liquefied gases, hazard
Decay of Arab Culture and Science: The association of science with kings, wealthy merchants and nobles which was initially very fruitful, ultimately proved to be the weakness
What is the concentration of epinephrine in kidney?
What are the functions of lymphocytes? The lymphocytes handle most of the bacterial and viral infection that we get. In fact, lymphocytes are directly involved with specific ac
assignment
Stellar Parallax If the Earth were stationary, a given line joining point A on the Earth, a nearby star C and any given distant star would never vary. However, if the Earth
Kepler's Laws of Planetary Motion: Further support to the heliocentric model came from the work of Johannes Kepler at around the same time as Galileo's observations. Kepler, a
Few sentences about fetus in human being? Definition, development, & important notes?
Military Technology: Important changes were introduced in military technology. Rope and wooden stimps for horsemen were known in India before the thirteenth century. However,
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