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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 structures that makes up a cell are called
Ionising Radiations " The three types of ionising radiations mentioned above penetrate matter to different extent. Table summarises the nature, ionising power and penetration of th
three adaptations that help humans have differential survivability, and three adaptations that help humans have differential fecundity
A simple balance Suspend a ruler by loops of cord a short distance above a table top, as shown in the diagram. When the ruler is in balance, place identical coins in dissimilar
Question: a) Describe wet bulb thermometer and wet bulb temperature. b) What happens to the volume of a rising parcel of air and of a sinking parcel of air? c) What do yo
Enzyme inactivation The disappearance of activity of an enzyme (in vivo or in vitro due to presence of inhibitor molecules or inhibitory condition(changes in pH, temperature,
what happens if one animal is not there
Personal sensitivity : There are other dangers from substances which are not so common. e.g. mutagens , but one aspect we have not mentioned involves you. The eyes, lungs and skin
factors which decide the broad area of scientic activity
Sucrose is a non-reducing Sugar while Maltose and Lactose are reducing due to the presence of free Aldehydic Functional Group in them. In SUgar the Aldehydic Group of both Glucos
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