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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
STERILIZATION OF GLASSWARE Activity is related activities. Whenever you require the glassware for doing an experiment you can follow the procedure given in Activity independent
Evaporation Highly volatile liquid wastes could be disposed of by effective ventilation. Example : Diethyl et-her. Moderately volatile liquid wastes can be absorbed on
FACTORS FOR BROAD AREA OF SCIENTIFVC ACTIVITY
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
To show that soil contains air:- Place some soil in a glass jar or bottle and slowly pour water over it. Observe the air bubbles that increase by the water from the soil.
Explain the Sexually Transmitted Infections These include, for example, chlamydial infection, gonorrhoea, trichomniasis, syphilis, chancroid, genital herpes, genital warts (ca
A stone seems to weigh less in water Weigh a large stone on a pair of kitchen scales. Put a loop of heavy string around the stone and weigh it again suspended in a pail of wate
I need help with my anatomy homework.
Fire Barriers : When a fire starts in a building it spreads quickly by: a) Radiation - Intense heat radiates to neighbouring surfaces which are rapidly heated to ignition poi
What is the significance of soil colour Soil colour is significant in soil classification, i.e. the characterisation of soil, interpreting soil properties and understanding so
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