Viral Infection A virus is a small infectious organism that replicates only inside the living cell of another organism. A very interesting character of viruses is that they can infect all type of life forms, animals and plants to microorganism including bacteria .When not inside a cell , virus exist as independent particles and these […]
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Oracle IAS, the best coaching institute for UPSC/IAS/PCS preparation in Dehradun brings to you UKPCS Science Chemistry (paper 6). Element metal What is an element? How many elements are there? An element is a substance that is made entirely from one type of atom. For example, the element hydrogen is made from atoms containing a single proton and a single electron. If you change
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Oracle IAS, the best coaching institute for UPSC/IAS/PCS preparation in Dehradun brings to you UKPCS Science Chemistry (paper 6). Atomic structure All material things are made from atoms. There are just over one hundred different types of atom, called elements. Atoms can join together in millions of different combinations to make all the substances on Earth and beyond.
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Oracle IAS, the best coaching institute for UPSC/IAS/PCS preparation in Dehradun brings to you UKPCS Science (paper #6). Semiconductor p-n junction diode If a crystal of p-type material is joined to a crystal of n-type material a p-n junction forms.
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Oracle IAS, the best coaching institute for UPSC/IAS/PCS preparation in Dehradun brings to you UKPCS-UKPSC Science (paper #6). Classifying materials Materials can be placed into three groups according to their electrical resistance: conductors semiconductors insulators Insulators and pure semiconductors have a very high resistance, while conductors have a very low resistance. This difference in conduction is explained by electron
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Oracle IAS, the best coaching institute for UPSC/IAS/PCS preparation in Dehradun brings to you UKPCS Science (paper #6). A telescope is an important tool for astronomy that gathers light and directs it to a single point. Some do this with curved mirrors, some with curved lenses, and some with both. Telescopes make faraway things look bigger, brighter and
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Oracle IAS, the best coaching institute for UPSC/IAS/PCS preparation in Dehradun brings to you UKPCS Science (paper #6). A microscope is a scientific instrument. It makes things normally too small to be seen look larger. This way they can be seen better and examined correctly. People who use microscopes commonly in their jobs include doctors and scientists. Microscopes
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Oracle IAS, the best coaching institute for UPSC/IAS/PCS preparation in Dehradun brings to you UKPCS Science (paper #6). Defects of vision and their corrections: There are three common defects of vision. They are: 1) Myopia (Short-sightedness or Near-sightedness) 2) Hypermetropia (Long-sightedness or Far-sightedness) 3) Presbyopia Myopia
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Oracle IAS, the best coaching institute for UPSC/IAS/PCS preparation in Dehradun brings to you UKPCS -UKPSC Science (paper #6). Electricity can be hazardous. Insulation, earthing, fuses and circuit breakers help to protect us from electrical injury. Electrical energy is current multiplied by voltage and time. Insulators are used in electrical equipment to support and separate electrical conductors without
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