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Question
Which effect of heat does the ball and ring experiment show? Explain this experiment.
Which effect of heat does the ball and ring experiment show? Explain this experiment.
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Solution
Thermal expansion: It is the tendency of matter to change in shape, volume, and area in response to a change in temperature.
- Temperature is a function of the average kinetic energy of a substance.
- For example — when a ball gets heat then it shows thermal expansion.
Contraction of metal: The expansion of any material is due to the kinetic energy of its atoms.
- When a material is heated, the increase in energy causes the atoms and molecules to move more and to take up more space that is, to expand.
- It is true for even a solid such as metal.
- For example — A ring gets some heat then it shows thermal expansion when it is cooled then it shows contraction.
Thermal expansion: It is the tendency of matter to change in shape, volume, and area in response to a change in temperature.
- Temperature is a function of the average kinetic energy of a substance.
- For example — when a ball gets heat then it shows thermal expansion.
Contraction of metal: The expansion of any material is due to the kinetic energy of its atoms.
- When a material is heated, the increase in energy causes the atoms and molecules to move more and to take up more space that is, to expand.
- It is true for even a solid such as metal.
- For example — A ring gets some heat then it shows thermal expansion when it is cooled then it shows contraction.
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