如图所示，某同学为了测量截面为正三角形的三棱镜玻璃折射率，先在白纸上放好三棱镜，在棱镜的左侧插上两
\u5982\u56fe\u6240\u793a\uff0c\u67d0\u540c\u5b66\u4e3a\u4e86\u6d4b\u91cf\u622a\u9762\u4e3a\u6b63\u4e09\u89d2\u5f62\u7684\u4e09\u68f1\u955c\u73bb\u7483\u6298\u5c04\u7387\uff0c\u5148\u5728\u767d\u7eb8\u4e0a\u653e\u597d\u4e09\u68f1\u955c\uff0c\u5728\u68f1\u955c\u7684\u5de6\u4fa7\u63d2\u4e0a\u4e24\uff081\uff09\u7531\u6298\u5c04\u5b9a\u5f8b\u5f8bn= sin \u03b8 1 sin \u03b8 2 \uff0c\u8981\u6d4b\u91cf\u6298\u5c04\u7387\uff0c\u9700\u8981\u6d4b\u91cf\u5165\u5c04\u89d2\u03b8 1 \u3001\u6298\u5c04\u89d2\u03b8 2 \uff0e\u5982\u56fe1\uff0e \uff082\uff09\u82e5\u5728\u6d4b\u91cf\u8fc7\u7a0b\u4e2d\uff0c\u653e\u7f6e\u4e09\u68f1\u955c\u7684\u4f4d\u7f6e\u53d1\u751f\u4e86\u5982\u56fe\u6240\u793a\u7684\u5fae\u5c0f\u5e73\u79fb\uff0c\u4ecd\u4ee5AB\u4f5c\u4e3a\u5206\u754c\u9762\uff0c\u7531\u56fe2\u770b\u51fa\uff0c\u5165\u5c04\u89d2\u6ca1\u6709\u6539\u53d8\uff0e\u6d4b\u91cf\u51fa\u6765\u7684\u6298\u5c04\u53d8\u5c0f\uff0c\u5982\u56fe\u4e2d\u5b9e\u7ebf\u5149\u8def\u6240\u793a\uff0c\u5219\u7531\u6298\u5c04\u5b9a\u5f8b\u5f97\u77e5\uff0c\u6d4b\u91cf\u503c\u5c06\u5927\u4e8e\u771f\u5b9e\u503c\uff0e\u6545\u7b54\u6848\u4e3a\uff1a\uff081\uff09\u5165\u5c04\u89d2\u03b8 1 \u3001\u6298\u5c04\u89d2\u03b8 2 \uff0e\uff082\uff09\u5927\u4e8e
\uff081\uff09\u5927\u5934\u9488P 1 \u3001P 2 \u7684\u8fde\u7ebf\u8868\u793a\u5165\u5c04\u5149\u7ebf\uff0cP 3 \u3001P 4 \u7684\u8fde\u7ebf\u8868\u793a\u51fa\u5c04\u5149\u7ebf\uff0c\u5206\u522b\u4f5c\u51fa\u5165\u5c04\u5149\u7ebf\u548c\u51fa\u5c04\u5149\u7ebf\uff0c\u8fde\u63a5\u5165\u5c04\u70b9\u548c\u51fa\u5c04\u70b9\uff0c\u753b\u51fa\u73bb\u7483\u7816\u5185\u90e8\u5149\u8def\uff0c\u753b\u51fa\u5149\u8def\u56fe\u5982\u56fe\uff0e \uff082\uff09\u6839\u636e\u6298\u5c04\u5b9a\u5f8b\u53ef\u77e5\uff0c\u9700\u8981\u6d4b\u91cf\u5165\u5c04\u89d2\u03b8 1 \u3001\u6298\u5c04\u89d2\u03b8 2 \uff083\uff09\u5982\u56fe\uff0c\u5149\u7ebf\u5728\u68f1\u955c\u5de6\u4fa7\u9762\u4e0a\u6298\u5c04\u65f6\u5165\u5c04\u89d2\u4e3a\u03b8 1 \uff0c\u6298\u5c04\u89d2\u4e3a\u03b8 2 \uff0c\u6839\u636e\u6298\u5c04\u5b9a\u5f8b\u5f97\u5230\u6298\u5c04\u7387n= sin \u03b8 1 sin \u03b8 2 \uff0e\u6545\u7b54\u6848\u4e3a\uff1a\uff081\uff09\u753b\u51fa\u5bf9\u5e94\u7684\u5149\u8def\u5982\u56fe\uff1b\uff082\uff09\u5165\u5c04\u89d2\u03b8 1 \u3001\u6298\u5c04\u89d2\u03b8 2 \uff083\uff09 sin \u03b8 1 sin \u03b8 2 \uff0e
| （1）“略” （2）入射角θ 1 、折射角θ 2 （3） （4）大于 |
绛旓細灏忛1: D = 12 锛70 灏忛2:瀹炵墿杩炵嚎濡傚浘 灏忛3: S 0 = 灏忛1:娓告爣鍗″昂璇绘暟鐨勬柟娉曟槸涓诲昂璇绘暟鍔犱笂娓告爣璇绘暟锛屼笉闇浼拌锛庢父鏍囧崱灏虹殑涓诲昂璇绘暟涓11mm锛屾父鏍囪鏁颁负0.05脳14=0.70mm锛屾墍浠ユ渶缁堣鏁颁负11.70mm灏忛2:鐢佃矾鍥剧己灏戠殑鏄數鍘嬭〃鐨勮繛鎺ユ柟娉曞拰婊戝姩鍙橀樆鍣ㄧ殑鍒嗗帇寮忚繛鎺ユ柟娉曪細 灏...
绛旓細娓告爣鍗″昂鏉娴嬮噺鐜荤拑绠″唴寰勫簲璇ョ敤鍐呯埅锛庡嵆A閮ㄥ垎锛庢父鏍囧崱灏烘祴鍐呭緞鏃讹紝涓诲昂璇绘暟涓5mm锛屾父鏍囪鏁颁负0.05脳5=0.25mm锛屾渶鍚庤鏁颁负5.25mm锛庡湪娴嬮噺杩囩▼涓锛屾煇鍚屽鍦ㄥ皬铻烘瘝涓┖閮ㄥ垎360掳鑼冨洿鍐呴夊彇涓嶅悓鐨勪綅缃繘琛屽娆℃祴閲忓彇骞冲潎鍊肩殑鐩殑鏄噺灏忓疄楠岀殑鍋剁劧璇樊锛庢晠绛旀涓猴細锛1锛堿锛涳紙2锛5.25锛涳紙3锛夊噺灏戝伓鐒...
绛旓細1 閾滅殑瀵嗗害鏄8900kg/m^3 閭ｄ箞杩欐閾滅嚎鐨勪綋绉=13.35/8900=0.0015m^3 鍥犱负妯鎴潰绉负3绔嬫柟姣背=0.000003m^2 鎵浠ラ摐绾跨殑闀垮害=0.0015/0.000003=500m 2 鐡跺瓙鐨勮川閲忔槸0.40鍗冨厠,瑁呮弧姘存椂璐ㄩ噺鏄0.90鍗冨厠 鎵浠ョ摱瀛愮殑浣撶Н=(0.9-0.4)/1000=0.0005m^3 瑁呮弧鍙︿竴绉嶆恫浣撴椂鐨勮川閲0.85鍗冨厠 鍑忓幓...
绛旓細璁剧煶鍧椾綋绉负V锛岀妫嶆í鎴潰绉负S銆傛按鐨勫瘑搴︿负1000kg/m3=1g/cm3锛屽垯鐓ゆ补瀵嗗害涓0.8g/cm3銆傚洜鐭冲潡鏈笌瀹瑰櫒搴曟帴瑙︼紝鍒欏彲鐭ョ煶鍧+绔规鐨勯噸鍔=鍏跺彈鍒扮殑娴姏=鍏舵帓寮鐨勬按/鐓ゆ补鐨勯噸閲忋傜敱浠ヤ笂涓や釜瀹為獙锛屽彲寰椾互涓嬫柟绋嬪紡 [V+锛40-16.8锛*S]*1=24+18 鍗 V+23.2*S=42 [V+锛40-9.8锛*S]*0....
绛旓細鈶犲湪鎵鎻愪緵鐨勪华鍣ㄤ腑搴旈夌敤锛屽湪鎵鎻愪緵鐨勪华鍣ㄤ腑搴旈夌敤A锛庘憽鍦娴嬮噺杩囩▼涓锛屾煇鍚屽鍦ㄥ皬铻烘瘝涓┖閮ㄥ垎360掳鑼冨洿鍐呴夊彇涓嶅悓鐨勪綅缃繘琛屽娆℃祴閲忓彇骞冲潎鍊肩殑鐩殑鏄噺灏忓疄楠岀殑鍋剁劧璇樊锛庢晠绛旀涓锛氣憼A锛涒憽鍑忓皬瀹為獙鐨勫伓鐒惰宸
绛旓細锛1锛夆憼鍦ㄦ墍鎻愪緵鐨勪华鍣ㄤ腑搴旈夌敤锛屾父鏍囧崱灏烘潵娴嬮噺灏忚灪姣嶇殑鍐呭緞搴旇鐢ㄥ唴鐖瘮杈冩柟渚匡紱鍦ㄦ墍鎻愪緵鐨勪华鍣ㄤ腑搴旈夌敤娓告爣鍗″昂锛屽嵆A锛庘憽鍦ㄦ祴閲忚繃绋嬩腑锛屾煇鍚屽鍦ㄥ皬铻烘瘝涓┖閮ㄥ垎360掳鑼冨洿鍐呴夊彇涓嶅悓鐨勪綅缃繘琛屽娆℃祴閲忓彇骞冲潎鍊肩殑鐩殑鏄噺灏忓疄楠岀殑鍋剁劧璇樊锛庯紙2锛夆憼鐢卞浘鍙煡锛岀數娴佹渶澶у涓0.12A锛屾晠鐢垫祦琛ㄥ簲閫夌敤A2...
绛旓細BC
绛旓細3.851~3.854 锛 11.14 锛 璇曢鍒嗘瀽锛氾紙1锛夎灪鏃嬫祴寰櫒璇绘暟锛氫富灏+铻烘棆=3.5+0.352=3.852mm锛涳紙2锛夋父鏍囧崱灏鸿鏁帮細涓诲昂+娓告爣=11+0.02脳7=11.14mm锛涳紙3锛夎缁冲瓙涓庢按骞虫柟鍚戝す瑙涓 锛屼几闀块噺涓 锛屽鍥炬墍绀 鏍规嵁骞宠 鏉′欢鍙煡鎷変几鍚庯紝閲戝睘涓濅笂鐨勬媺鍔汧= 1鐢卞嚑浣曞叧绯诲彲寰 2閲戝睘涓...
绛旓細锛1锛3.205锛3.204 - 3.206锛 锛2锛 锛3锛
绛旓細妯埅闈㈠氨鏄細骞宠涓庡簳闈㈠垏寮锛岄湶鍑虹殑閮ㄥ垎灏辨槸妯鎴潰锛褰撶劧锛岃繕鏈夌浉瀵圭殑绾垫埅闈紝鍗虫部闀垮害鍒囧紑鐨勯潰锛屽氨鏄旱鎴潰浜嗐傛í鎴潰绉锛氭寚閫氳繃娴嬮噺妯埅闈㈢殑闀垮楂樼瓑璁＄畻鍑烘í鎴潰鐨勯潰绉備竴涓嚑浣曚綋鐢ㄤ竴涓钩闈㈡埅涓嬪悗鐨勯潰鐨勯潰绉О涓妯埅闈㈢Н銆傜畝鑰岃█涔嬪氨鏄笁缁寸墿浣撹涓鍒鍒囧悗涓庝竴鍒闈㈢殑鎺ヨЕ闈㈢Н鐨勫ぇ灏忥紝鍥犳涓嶅悓...
