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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
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
two human made features o the aerial map
Long Refractory period - Properties of a Beating Heart Refractory period is the period during which a stimulus fails to evoke a response. In a beating heart, if an external sti
Decline of the Bronze Age Civilisation: We find that the great developments in production methods that came with the rise of early cities lasted only f6r a few centuries. The
to study the presence of aroma taste,ph value and tannic acid of diffrent tea leaves
What is Transamination Reaction ? Most common amino acids can be converted into the corresponding keto acid by 'transamination. In this reaction, there is a transfer of a-amin
why do we breathe?
Ventures in Space: Sometimes the atmospheric conditions distort the light or radiowaves coming in from space. For instance, there may be a storm disturbing the radiowaves. O
Isomers are different compounds' having same molecular form but different structural forms. a) Glucose and Fructose b) Glucose and Galactose
Determine the role of microflora in the soil The microflora in the soil play an important role in the decomposition of dead plants and animal and the recycling of nutrient. Li
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