\r\n\u003Cbr />\r\nOn distingue 3 grands types de désintégration radioactive, toutes libératrices d'une grande quantité d'énergie :\u003C/p>\r\n\r\n\u003Col>\r\n\t\u003Cli>Radioactivité alpha : émission d'un noyau d'hélium.\u003C/li>\r\n\t\u003Cli>Radioactivité bêta (+ et -) : émission d'un électron (bêta-) ou d'un positon (bêta+).\u003C/li>\r\n\t\u003Cli>Désexcitation gamma : libération d'un photon haute énergie.\u003C/li>\r\n\u003C/ol>",[1683,1693,1703,1714,1724,1734],{"id":1684,"title":1685,"slug":1686,"mediaType":759,"thumbnailSizes":1687,"thumbnailBackground":780,"publishedAt":1691,"isExpert":768,"goals":1692},240,"Mouvement brownien","mouvement-brownien",{"node_pack":1688,"suggestion":1689,"title":1690},"/media-cache/media_thumbnail_node_pack/uploads/media/thumbnails/240-6545f2f0d5618986579832.webp","/media-cache/media_thumbnail_suggestion/uploads/media/thumbnails/240-6545f2f0d5618986579832.webp","/media-cache/media_thumbnail_title/uploads/media/thumbnails/240-6545f2f0d5618986579832.webp",{"date":766,"timezone_type":453,"timezone":767},"\u003Cul>\r\n\t\u003Cli>Illustrer le mouvement brownien et l'influence de la température.\u003C/li>\r\n\u003C/ul>",{"id":1694,"title":1695,"slug":1696,"mediaType":759,"thumbnailSizes":1697,"thumbnailBackground":789,"publishedAt":1701,"isExpert":768,"goals":1702},731,"ITER","iter",{"node_pack":1698,"suggestion":1699,"title":1700},"/media-cache/media_thumbnail_node_pack/uploads/media/thumbnails/731-6545f4297c75e550002527.webp","/media-cache/media_thumbnail_suggestion/uploads/media/thumbnails/731-6545f4297c75e550002527.webp","/media-cache/media_thumbnail_title/uploads/media/thumbnails/731-6545f4297c75e550002527.webp",{"date":766,"timezone_type":453,"timezone":767},"\u003Cul>\r\n\t\u003Cli>Illustrer une application du confinement magnétique : la bouteille magnétique ;\u003C/li>\r\n\t\u003Cli>Illustrer en quoi consiste une réaction de fusion nucléaire.\u003C/li>\r\n\u003C/ul>",{"id":1704,"title":1705,"slug":1706,"mediaType":759,"thumbnailSizes":1707,"thumbnailBackground":843,"publishedAt":1711,"isExpert":887,"goals":1713},945,"Caractéristique d'une cellule photovoltaïque","caracteristique-d-une-cellule-photovoltaique",{"node_pack":1708,"suggestion":1709,"title":1710},"/media-cache/media_thumbnail_node_pack/uploads/media/thumbnails/945-6545f4851ff1e990799983.webp","/media-cache/media_thumbnail_suggestion/uploads/media/thumbnails/945-6545f4851ff1e990799983.webp","/media-cache/media_thumbnail_title/uploads/media/thumbnails/945-6545f4851ff1e990799983.webp",{"date":1712,"timezone_type":453,"timezone":767},"2020-01-28 00:00:00.000000","\u003Cul>\r\n\t\u003Cli>Illustrer la caractéristique I = f(U) d'une cellule photovoltaïque.\u003C/li>\r\n\t\u003Cli>Comparer les montages série et parallèle.\u003C/li>\r\n\t\u003Cli>Étudier le point le fonctionnement d'un circuit.\u003C/li>\r\n\t\u003Cli>Caractériser une cellule ou un panneau solaire par les grandeurs I\u003Csub>SC\u003C/sub>, V\u003Csub>OC\u003C/sub>, et définir le MPP et le FF (\u003Cem>Fill Factor\u003C/em>).\u003C/li>\r\n\u003C/ul>",{"id":1715,"title":1716,"slug":1717,"mediaType":759,"thumbnailSizes":1718,"thumbnailBackground":843,"publishedAt":1722,"isExpert":768,"goals":1723},527,"Décroissance radioactive","decroissance-radioactive",{"node_pack":1719,"suggestion":1720,"title":1721},"/media-cache/media_thumbnail_node_pack/uploads/media/thumbnails/527-6545f39ac7113009260991.webp","/media-cache/media_thumbnail_suggestion/uploads/media/thumbnails/527-6545f39ac7113009260991.webp","/media-cache/media_thumbnail_title/uploads/media/thumbnails/527-6545f39ac7113009260991.webp",{"date":766,"timezone_type":453,"timezone":767},"\u003Cul>\r\n\t\u003Cli>Comprendre le caractère aléatoire de la désintégration radioactive ; 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