we know when two atom combine,the electrions are in valance band,but in case of semiconductor doner or acceptor level are above of v.. whyb

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Explain the applications of nmr spectroscopy?

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Explain the Reflection of Light ?

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What large machine, which came on line in the summer of 2000 at the department of energys brookhaven national lab, is the world's highest energy ion collider:

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Explain the Types of Refrigeration ?

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cyclotron

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Define Young’s modulus?

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HOW MANY UNITS ARE CONSUMED DURING 1 HR BY 1.5 TON A/C

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Consider earth's equator is covered with a measuring tape touching the ground such both the ends touch each other. if the tape is lifted 1 meter from the ground, what would be the distance between two ends of tape?

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while climbing a hill we bend forward. give a scientific reason for the same

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Explain the difference between dynamic strain aging and strain aging?

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Why dies starch stiffen the clothes ?

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