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What is Centroid ?

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What are environmental problems and why are they created ?

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Define scalers quantities with examples?

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Write a short note on BASIC?

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Give the applications of isotopes in the field of radiotherapy and medicines

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Differentiate between speed and velocity?

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Give two uses of artificial satellites?

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Write detail note on Stability and Centre of Mass ?

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What are the uses of measuring cylinder?

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Define mechanical energy give example?

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On what factors does work depends upon?

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What are mnemonies ?

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What is an energy converter?

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Why is it easy to stop a moving bicycle than a car?

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Give an account on any five main branches of Chemistry and their uses?

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What is meant by the force of gravitation?

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Define sound energy give examples?

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What do you mean by renewable energy sources? explain

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Define kinetic energy and derive equation of kinetic energy of a moving body.

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Describe the difference between electrical energy and light energy

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