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प्रश्न
"A substance has a definite shape as well as a definite volume." Which physical state is represented by this statement?
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उत्तर
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संबंधित प्रश्न
Give reasons
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For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions
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Describe simple experiments to prove that liquids have mass
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______ has definite shape and volume.
A strong current of trivalent gaseous boron passed through a silicon crystal decreases the density of the crystal due to part replacement of silicon by boron and due to interstitial vacancies created by missing Si atoms. In one such experiment, one gram of silicon is taken and the boron atoms are found to be 1000 ppm by weight, when the density of the Si crystal decreases by 12%. The percentage of missing vacancies due to silicon, which are filled up by boron atoms will be ____ g. [Given · Atomic wt. Si= 30, B = 11]
