Why is flywheel used in motor cars ?

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What is the index of refraction of air?

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how sunlight produce e.m wave in vacuum?

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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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Why does water boil at 100oC ?

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Does solar radiation contain a complete spectrum of all forms of electromagnetic radiation?

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Explain the Evaporation ?

1 Answers  

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For which type of waves is the principle of superposition valid?

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What is the difference between isolation transformers and step up or step down transformer?

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What are rectifiers used for?

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Is the electric field constant or does it vary with time in dielectric materials?

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How do fireworks turn into shapes like hearts and stars?

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