{"id":2633,"date":"2008-02-21T12:46:50","date_gmt":"2008-02-21T04:46:50","guid":{"rendered":"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/?p=2633"},"modified":"2021-10-06T15:58:21","modified_gmt":"2021-10-06T07:58:21","slug":"rayleigh-jeans%e5%ae%9a%e5%be%8b%e8%88%87%e7%b4%ab%e5%a4%96%e7%b7%9a%e7%81%bd%e9%9b%a3","status":"publish","type":"post","link":"http:\/\/localhost\/rayleigh-jeans%e5%ae%9a%e5%be%8b%e8%88%87%e7%b4%ab%e5%a4%96%e7%b7%9a%e7%81%bd%e9%9b%a3\/","title":{"rendered":"\u96f7\u7406-\u4eac\u58eb\u5b9a\u5f8b\u8207\u7d2b\u5916\u7dda\u707d\u96e3"},"content":{"rendered":"

\u96f7\u7406-\u4eac\u58eb(Rayleigh-Jeans)\u5b9a\u5f8b\u8207\u7d2b\u5916\u7dda\u707d\u96e3<\/strong><\/span>
\n\u570b\u7acb\u5f70\u5316\u9ad8\u7d1a\u4e2d\u5b78\u59dc\u5fd7\u5fe0\u6559\u5e2b\/\u570b\u7acb\u5f70\u5316\u5e2b\u7bc4\u5927\u5b78\u7269\u7406\u7cfb\u6d2a\u9023\u8f1d\u6559\u6388\u8cac\u4efb\u7de8\u8f2f<\/span><\/p>\n

\u5728\u7269\u7406\u4e2d\u7684\u96f7\u7406-\u4eac\u58eb\u5b9a\u5f8b\uff0c\u9996\u6b21\u5728\u4e8c\u5341\u4e16\u7d00\u63d0\u51fa\uff0c\u4e3b\u8981\u76ee\u7684\u5728\u65bc\u8a66\u8457\u63cf\u8ff0\u300c\u7279\u5b9a\u6eab\u5ea6\u4e0b\u7684\u9ed1\u9ad4\uff0c\u5728\u6240\u6709\u6ce2\u9577\u6240\u7522\u751f\u7684\u96fb\u78c1\u8f3b\u5c04\u80fd\u91cf\u300d\uff0c\u91dd\u5c0d\u7279\u5b9a\u7684\u6ce2\u9577 $$(\\lambda)$$ \u53ef\u5beb\u6210<\/p>\n

$$\\displaystyle f(\\lambda)=\\frac{2\\pi ckT}{\\lambda^4}$$<\/p>\n

\u5f0f\u5b50\u4e2d\u7684 $$c$$ \u4ee3\u8868\u5149\u901f\uff0c$$k$$ \u70ba\u6ce2\u8332\u66fc\u5e38\u6578\uff0c$$T$$ \u70ba\u7269\u9ad4\u7684\u7d55\u5c0d\u6eab\u5ea6\u3002<\/p>\n

\u8a72\u5b9a\u5f8b\u662f\u5f9e\u53e4\u5178\u7269\u7406\u7684\u8ad6\u9ede\u4e2d\u5c0e\u51fa\uff0c\u96f7\u7406\u9996\u5148\u5728 1900 \u5e74\u6642\u5148\u7814\u7a76\u51fa\u300c\u80fd\u91cf\u8207\u6ce2\u9577\u56db\u6b21\u65b9\u6210\u53cd\u6bd4\u300d\uff1b\u800c\u5305\u542b\u6bd4\u4f8b\u5e38\u6578\u7684\u7cbe\u78ba\u63a8\u7b97\uff0c\u5247\u65bc 1905 \u5e74\u8207\u5171\u540c\u767c\u8868\u3002<\/p>\n

\u8a72\u5b9a\u5f8b\u5728\u9577\u6ce2\u9577\u7684\u7bc4\u570d\u5167\u8207\u5be6\u9a57\u6578\u64da\u76f8\u7576\u543b\u5408\uff1b\u8a72\u5b9a\u5f8b\u4e26\u9032\u4e00\u6b65\u9810\u6e2c\uff0c\u7576\u6ce2\u9577\u9010\u6f38\u7e2e\u77ed\uff08\u8d8a\u63a5\u8fd1\u7d2b\u5916\u7dda\uff09\u6642\uff0c\u7269\u9ad4\u8f3b\u5c04\u51fa\u7684\u80fd\u91cf\u5c07\u8da8\u65bc\u7121\u9650\u5927\uff08\u7531\u4e0a\u5f0f\u53ef\u77e5\uff0c\u7576 $$\\lambda$$ \u8da8\u8fd1\u65bc\u96f6\uff0c$$f$$ \u8da8\u8fd1\u65bc\u7121\u9650\u5927\uff09\u3002\u7136\u800c\uff0c\u5728\u77ed\u6ce2\u9577\u7684\u9810\u6e2c\uff0c\u7121\u6cd5\u7372\u5f97\u5be6\u9a57\u7684\u652f\u6301\u3002\u4e14\u8a72\u5b9a\u5f8b\u9810\u6e2c\u7269\u9ad4\u5728\u6240\u6709\u6ce2\u9577\u7684\u96fb\u78c1\u8f3b\u5c04\u4e2d\uff0c\u77ed\u6ce2\u9577\u7684\u7d2b\u5916\u7dda\uff0c\u5176\u96fb\u78c1\u8f3b\u5c04\u80fd\u91cf\u5c07\u662f\u6700\u5927\u7684\uff0c\u800c\u7d2b\u5916\u7dda\u5c0d\u751f\u7269\u5177\u6709\u6bba\u50b7\u529b\u3001\u53ef\u80fd\u5c0e\u81f4\u7d30\u80de\u75c5\u8b8a\uff0c\u56e0\u6b64\u7a31\u4e4b\u70ba\u300c\u7d2b\u5916\u7dda\u707d\u96e3\u300d\u3002<\/p>\n

\u666e\u6717\u514b\u65bc 1900 \u5e74\u5f97\u5230\u4e0d\u540c\u7684\u5b9a\u5f8b\uff0c<\/p>\n

$$\\displaystyle f(\\lambda)=\\frac{2\\pi c^2h}{\\lambda^5(e^{hc\/\\lambda kT}-1)}$$<\/p>\n

\u5f0f\u5b50\u4e2d\u7684 $$h$$ \u7a31\u70ba\u666e\u6717\u514b\u5e38\u6578\uff0c\u5fc5\u9808\u5229\u7528\u5be6\u9a57\u52a0\u4ee5\u78ba\u5b9a\u3002<\/p>\n

\u4f9d\u64da\u666e\u6717\u514b\u5b9a\u5f8b\uff0c\u7576\u6ce2\u9577\u8b8a\u77ed\u6642\uff0c$$e^\\frac{hc}{\\lambda kT}$$ \u5c07\u8b8a\u5927\uff0c\u5c0e\u81f4\u8a72\u6ce2\u9577\u7684\u96fb\u78c1\u8f3b\u5c04\u6703\u9010\u6f38\u6e1b\u5c11\uff0c\u56e0\u6b64\u4e0d\u6703\u7522\u751f\u6240\u8b02\u7684\u300c\u7d2b\u5916\u7dda\u707d\u96e3\u300d\uff0c\u4e14\u8a72\u5b9a\u5f8b\u8207\u5be6\u9a57\u6578\u5177\u6709\u826f\u597d\u7684\u543b\u5408\uff0c\u4f46\u5176\u91cd\u8981\u6027\u5728\u6578\u5e74\u5f8c\u624d\u7372\u5f97\u91cd\u8996\uff0c\u4e26\u9010\u6f38\u5f62\u6210\u91cf\u5b50\u5316\u7684\u6982\u5ff5\u3002<\/p>\n

\n

\u8cc7\u6599\u4f86\u6e90<\/strong><\/p>\n

    \n
  1. http:\/\/en.wikipedia.org\/wiki\/Rayleigh-Jeans_law<\/a><\/li>\n<\/ol>\n<\/div>","protected":false},"excerpt":{"rendered":"

    \u96f7\u7406-\u4eac\u58eb(Rayleigh-Jeans)\u5b9a\u5f8b\u8207\u7d2b\u5916\u7dda\u707d\u96e3 \u570b\u7acb\u5f70\u5316\u9ad8\u7d1a\u4e2d\u5b78\u59dc\u5fd7\u5fe0\u6559\u5e2b\/\u570b\u7acb\u5f70\u5316\u5e2b\u7bc4\u5927\u5b78\u7269\u7406\u7cfb…<\/p>\n","protected":false},"author":50,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,17,107],"tags":[2850,2860,2851],"class_list":["post-2633","post","type-post","status-publish","format-standard","hentry","category-physics03","category-physics03-01","category-physics00","tag-rayleigh-jeans","tag-2860","tag-2851","loop-entry","cat-16","cat-17","cat-107","no-thumbnail"],"views":7507,"_links":{"self":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/2633","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/users\/50"}],"replies":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/comments?post=2633"}],"version-history":[{"count":1,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/2633\/revisions"}],"predecessor-version":[{"id":85438,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/2633\/revisions\/85438"}],"wp:attachment":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/media?parent=2633"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/categories?post=2633"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/tags?post=2633"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}