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प्रश्न
In which state(s) of matter does convection occur?
पर्याय
Solids only
Liquids only
Solids and liquids
Liquids and gases only
MCQ
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उत्तर
Liquids and gases only
Explanation:
Convection requires molecules to move freely. In solids, molecules are fixed in place and cannot travel, so convection occurs only in fluids (liquids and gases).
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