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Matter in Our Surroundings — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceMatter in Our Surroundings1 Mark
Question
Write the full form of BEC.
✓

Answer

Bose-Einstein condensate (BEC): A state of matter in which separate atoms or subatomic particles, cooled to near absolute zero (0K, - 273.15°C, or - 459.67°F; K = kelvin), coalesce into a single quantum mechanical entity-that is, one that can be described by a wave function-on a near-macroscopic scale.

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