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Floating a needle on water
Thoroughly dry a steel needle. Place it on the tines of a dinner fork and gently smash the surface of the water in a dish with the fork. If you are careful the needle will float as you take the fork away. Look at the water surface closely. Can you see how the surface film seems to curve under the weight of the needle ?
Applications of Optical Fibres: Fibre optics finds many applications in areas like medicine and communications which we will briefly describe. We will also discuss its advht
father of environmental microbiology
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ht are the examples oof a solution and its characteristics?
Explain Relationship of Vitamins and Mineral with physiology They play a major role in the body's functioning. Vitamin A is necessary for night vision in the eyes. Vitamin B co
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Code of Practice in a Laboratory The following is a set of rules you should follow while working in a laboratory: 1. Always wear the required protective clothing. 2. Make
what are the condition necessary for heat transfer to occur?
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