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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
write 2 kinds of energy sources
Q.How is soil formed? Soil is formed by breaking down of rocks at or near the surface of the Earth through various physical, chemical, and biological processes by various factor
Optics: The prevalence of eye diseases in the desert and tropical countries led to the study of the eye by Arab doctors. Surgical treatment of the eye led to renewed interest
What is the general statement regarding the temperature of water in oceanic depths? Commonly, the relation is this - the further from the surface the colder the water. This
What is the role of science in communication?
(a) What are Agent-based models? What are turtles and patches? How are turtles programmed in netlogo? If you have a background in computer programming or if you are brave, play ar
Venus-the Clouded Planet Venus, our nearest planetary neighbour, only 40 million km away, has its surface hidden from view by a dense yellowish-white cloud, which extends to 80
Precautions : The following precautions should be taken while using UV lamps: 1) TJV lamps must always be properly shielded. 2)Wear approved goggles when working with or clo
Explain Rhythmicity - Properties of a Beating Heart Not only does the denervated heart continues to beat, it does so remarkably rhythmically. What it means is that the heartbea
How does the study of personality shed light onto behavior change for you? Answer: In general, personality means as the sums of the characteristics or traits of the person; to ot
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