Answer / Ravi Gupta

A laser printer uses a spinning drum and toner powder to create an image on paper, which is then fused using heat.

How do you find the refractive index of a liquid by using total internal reflection?

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Explain the Modes of Transfer of Heat ?

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assuming g = 9.8 m/sec2, what is the weight on earth, in newtons, of a 60 kilogram person?

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How ate the weather forecasts made ?

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which wave is related to telecommunication?

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explain the proper definition of light?

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Define Fixation of Nitrogen?

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What is astrophysics?

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a bullet of mass m travelling at velocity v has a kinetic energy of ½mv2 when it strikes a ballistic pendulum of mass 1000 grams. The kinetic energy of the twomasses moving together just after the moment of impact is about a thousand times smaller than ½mv2. What has most of the bullets initial kinetic energy beenconverted to?

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Explain the name for the physical constant with a value of 6.62 x 10-27 erg seconds?

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What would happen if a disk one light second in circumference were to spin at 60 rpm?

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For what the parabolic dishes are used?

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