Recent questions in Science

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What is real and virtual image? Why is real image not formed by concave lense? Explain the answer by ray diagram

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Explain how lenses are used to correct short sightedness and long sightedness.

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Describe the defects of human eye

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Explain the types of energy being used in power station.

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What types of problems can be faced while generating electricity?

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What is atmospheric pressure .Also give its formula?

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State Pascal's law?

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Shortly describe the gas pressure in a container

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Why sections of a railway track are not welded together?

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Why some space is left while filling soda water bottles ?

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Define pneumatics?

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Define unit?

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Convert 20,000g into kilograms?

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Why water tanks are placed on the roof of top floor?

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Write the applications of altimeter

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Why do hot air balloons rise up?

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How atmospheric pressure varies with altitude?

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What is the funcion of large bends in pipes?

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Write ant two applications of neumatics.

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Defiine the unit of pressure?

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