Explain what is a positron?

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What do you know about Absolute Zero?

1 Answers  

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How many pounds does one gallon of water weigh?

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Explain the branches of physics?

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heat cannot pass from a cooler substance to a warmer substance without some other process being involved. This is an example of which law of thermodynamics?

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Explain the difference between dynamic strain aging and strain aging?

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the weight of the body at the centre of the earth is

3 Answers   Indian Railways,

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Explain the difference between the atomic theory and the kinetic theory?

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Explain the Reflection ?

1 Answers  

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Explain what is cardiac output?

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What is the pitch?

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Why does the moon shine, evening though it has not light of its own ?

1 Answers  

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