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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
Coenzyme : A molecule that binds to an enzyme and is essential for its activity, but is not permanently altered by the reaction. Many coenzymes are derived from vitami
INTRODUCTION : This exercise is based on here 'Laws and Regulations' of this course. What are we going to do in this exercise? - This might be the question arising in your mind. I
What is Activation offatty acids ? Fatty acids cannot undergo oxidation in the form in which they are normally present in the body. They must be converted into a form which ca
Define Hyposecretion of Insulin You may already be aware that an insufficiency of insulin in the body leads to the development of diabetes mellitus. It is caused by the degener
INTRODUCTION : In this activity, your Counsellor will perform some experiments illustrating the principles behind some of the disposal procedures. These principles are given below
Carbon l4 with a half-life of 5,568 years is used to date a sample of wood. Sample has l/8 the carbon l4 contained in a living tree of same species. Approximately how old is specim
Observing the phases of the moon Over the time of a lunar month have the children make nightly observations and illustrate drawings of the moon. Start at new moon and continue
Illustrate the physical and chemical properties of soil The cation exchange property is very significant because it affects the physical and chemical properties of soil. The mo
Technical Developments in Feudal Society: Other innovations used and improved by the Europeans were the lenses and the spectacles. This gave an impetus to the further study
Belt-drive: The beltdrive is a mmpratively simpler device than gearing for transmission of power and for increasing or decreasing the speed of motion. Beltdrive came to India
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