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प्रश्न
Describe simple experiments to prove that solids have mass
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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
State two characteristic properties of a solid.
How do solids, liquids and gases differ in shape and volume?
What are molecules?
What are fluids? Give two examples
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.
Give reasons
A red ink drop added to small amount of water in a glass turns the water red in some time.
Fill in the blanks:
______ and ______ can flow.
Explain the term ‘Interconversion of matter’. With reference to ice, water, and water vapour show diagrammatically the change of state of matter from solid to liquid to gaseous and back to the original state.
Particles in solids are free to move.
What is the physical state of water at 250°C.
