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प्रश्न
Describe simple experiments to prove that solids have mass
उत्तर
Have mass – A solid has mass
A: A simple scale – is taken, as shown below
B: A solid is placed – on one side of the scale, causes the scale tilts towards one side.
Conclusion – The scale tilts due to the mass of the solid, hence all solids have mass.
संबंधित प्रश्न
"A substance has a definite shape as well as a definite volume." Which physical state is represented by this statement?
Give reasons
Liquids and gases flow but solids do not?
Give reasons
When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass remains unchanged.
Write whether the following statements are true or false:
Only water can exist in three different states
State the main physical properties of matter.
Describe simple experiments to prove that gases have mass.
Which of the following are the states of matter?
Discuss briefly on three states of matter.
Choose the odd one:
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]
