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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
The ventricular system While the ventricular system is naturally not involved in cognitive processing since it consists of cavities filled with cerebrospinal fluid, it is good to
Softening hard water by boiling Temporary hardness can be removed from water by boiling. Shake a little temporary hard water with a few drops of soap solution and see if you c
Eye Injuries : The eyes are a particularly vulnerable part of your body. Safety glasses, goggles or a face shield are a 'must' for any experiment where there is any , danger of sp
Anthropological Evidence Modern humans arose at a time when the Earth was going through a very cold and icy period called the Ice Age, which began about 75,000 years ago and
Question: what did you learn about yourself from reading the other theories of personality?list and explain at least three things.) There is no doubt that it was very knowledgeabl
Assembling First Aid Box : Your Counsellor will show you the contents of the first aid box available at the Study Centre. You observe the contents. As part of this activity, yo
Define Gynaecological Cancers Gynaecological cancers include cancers of the cervix, breast, endometrium, ovary, vagina, vulva and rarely, the fallopian tube. Cervical cancer is
Explain how the uterus supports the development of a baby during gestation.
what re yellow and blind spot
Forest cover: An analysis of satellite imageries and air photos indicates that in 1982 about 1 I%of land area in India was thick forests and the remaining 3% degraded or th
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