why do solids expand only slightly on heating
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The state solid is different from liquid or gas what is called as fluid..the solid have larger internuclear force as compared to fluids .. They are tightly packed and structurally arranged in a specific dimensions .their entropy is far more less than fluid's so that's why they don't actually expand as much as fluid do
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Explanation:
the particles of solid vibrate about their mean position . When we heat the solid , the particles start vibrating at a larger amplitude . This results in the particles moving apart from the neighbouring particles. This causes an increase in volume of solid and it expands.
hope it helps you
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