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What do you know about prefix?

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What is meant by thermal contraction?

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How can we measure atmospheric pressure?

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Why do gases expand faster than liquids and solids?

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How we can measure the temperature of an object?

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How we produce heat?

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Why water cannot be used in thermometer instead of mercury?

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What is the practicle unit of volume ?Also define it.

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What is brake system?

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Why fluids are used in aerosols?

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Why the supporting wall of a dam is built very broad at the bottom?

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What are physical quantities?

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What is the unit of atmospheric pressure?

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Why gaps are left in concrete roads?

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What is brake system?

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What is flask?

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What is the atmospheric pressure at ground level?

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What is Metre Rule

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What do you know about peculiar behaviour of water?

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How an axle is fixed into a wheel?

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