眼睛相当于凸透镜,把眼睛遮住一半,看到的物体为什么也会变成一半呢? 人眼睛相当于一个凸透镜,那为什么人看到的物体是正立
\u65ad\u4e86\u4e00\u534a\u7684\u900f\u955c\u548c\u88ab\u906e\u4f4f\u4e00\u534a\u7684\u900f\u955c\u6709\u533a\u522b\u5417\uff1f\u5982\u679c\u6709\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u4e3a\u4ec0\u4e48\u6709\u6216\u4e3a\u4ec0\u4e48\u6ca1\u533a\u522b\uff1f\u6ca1\u6709\u533a\u522b\uff0c\u906e\u4f4f\u4e00\u534a\u548c\u65ad\u6389\u4e00\u534a\uff0c\u90fd\u9020\u6210\u8fd9\u4e00\u534a\u4e0d\u80fd\u900f\u5149\uff0c\u7ed3\u679c\u662f\u4e00\u6837\u7684\uff0c\u771f\u5fc3\u5728\u5e2e\u4f60\u671f\u5f85\u91c7\u7eb3\uff0c
\u76f4\u63a5\u628a\u4eba\u7684\u773c\u775b\u8bf4\u6210\u662f\u51f8\u900f\u955c\uff0c\u8fd9\u79cd\u8bf4\u6cd5\u5176\u5b9e\u662f\u9519\u7684\uff01
\u6b63\u786e\u7684\u8bf4\u6cd5\u662f\u201c\u96e8\u540e\u5f69\u8679\u201d\u8bf4\u7684\u90a3\u79cd\uff0c\u6676\u72b6\u4f53\u662f\u4e00\u4e2a\u51f8\u900f\u955c\uff0c\u4f46\u662f\u773c\u775b\u7684\u6210\u50cf\u5e76\u4e0d\u53ea\u662f\u5b8c\u5168\u60f3\u51f8\u900f\u955c\u6210\u50cf\u90a3\u6837\uff01 \u773c\u775b\u9664\u4e86\u6676\u72b6\u4f53\uff08\u51f8\u900f\u955c\uff09\u4ee5\u5916\uff0c\u4e5f\u8fd8\u6709\u5176\u4ed6\u91cd\u8981\u7684\u6784\u6210\uff08\u4f8b\u5982\u89d2\u819c\uff09\u3001\u5982\u679c\u76f4\u63a5\u628a\u773c\u775b\u6bd4\u55bb\u6210\u51f8\u900f\u955c\uff0c\u90a3\u4e48\u8bd5\u95ee\u4e00\u4e0b\uff0c\u4eba\u6ca1\u4e86\u89d2\u819c\u4ee5\u540e\u662f\u4e0d\u662f\u4e5f\u53ef\u4ee5\u770b\uff1f
\u7b54\u6848\u663e\u800c\u6613\u89c1\uff0c\u6ca1\u4e86\u89d2\u819c\u4eba\u662f\u770b\u4e0d\u89c1\u4efb\u4f55\u4e1c\u897f\u7684\uff01
\u800c\u4e14\u6309\u7167\u51f8\u900f\u955c\u6210\u50cf\u7684\u89c4\u5f8b\uff1a \u5982\u679c\u7269\u8ddd\u5927\u4e8e10\u500d\u7126\u8ddd\u7684\u65f6\u5019\uff0c\u7269\u4f53\u8fc7\u6765\u7684\u5149\u7ebf\u7b49\u4e8e\u5e73\u884c\u5149\uff0c\u8fd9\u65f6\u5019\u6210\u50cf\u7684\u50cf\u8ddd\u5c31\u5e94\u8be5\u662f\u5f88\u63a5\u8fd1\u5f88\u63a5\u8fd1\u5f88\u63a5\u8fd1\u7126\u8ddd\u3002\u7269\u8ddd\u5f8010\u500d\u4ee5\u5185\u9760\u8fd1\u7684\u65f6\u5019\uff0c\u50cf\u8ddd\u4f1a\u6162\u6162\u8fdc\u79bb\u7126\u8ddd\uff0c\u6210\u50cf\u4f1a\u6162\u6162\u53d8\u5927\u3002
\u4f46\u662f\u4eba\u773c\u7684\u5c48\u5149\u7cfb\u7edf\u5927\u5bb6\u5e94\u8be5\u77e5\u9053\uff0c\u5bf9\u4e8e\u4eba\u773c\u6765\u8bf4\uff0c5\u7c73\u4ee5\u5916\u7684\u5149\u7ebf\u624d\u662f\u5e73\u884c\u5149\uff0c \u5982\u679c\u6309\u7167\u51f8\u900f\u955c\u89c4\u5f8b\u7684\u8bdd\uff0c\u8fd9\u65f6\u5019\u4eba\u773c\u7684\u524d\u7126\u8ddd\u5c31\u5e94\u8be5\u670950cm\u90a3\u4e48\u5927\uff01 \u4e0d\u8fc7\u5927\u5bb6\u5e94\u8be5\u90fd\u77e5\u9053 \u4eba\u773c\u524d\u7126\u8ddd\u662f\u5c0f\u4e8e2CM\u7684 \u540e\u7126\u8ddd\u662f24mm ,\u5982\u679c\u5b8c\u5168\u7b49\u4e8e\u51f8\u900f\u955c\uff0c\u90a3\u4e48\u5c82\u4e0d\u662f\u7126\u8ddd2CM \uff0c\u53ca\u65f6\u662f10\u500d\u7126\u8ddd\u4ee5\u5916\uff0c\u4e5f\u624d20CM\uff1f \u53ef\u662f\u4eba\u773c\u53ef\u662f5\u7c73\u4ee5\u5185\u5149\u7ebf\u5c31\u5f00\u59cb\u53d1\u6563\u4e86\uff0c\u50cf\u8ddd\u5c31\u5f00\u59cb\u5728\u8fb9\u8fdc\u53d8\u5927\uff0c \u776b\u72b6\u808c\u4e5f\u662f\u57285\u7c73\u5185\u5c31\u5f00\u59cb\u7f29\u5c0f\u773c\u7126\u8ddd\u4e86\u3002
绛旓細銆愮瓟妗堛戯細D 浜虹溂鐨勬櫠鐘朵綋鐩稿綋浜庡嚫閫忛暅锛瑙嗙綉鑶滅浉褰撲簬鍏夊睆锛屾晠A椤规纭傝繎瑙鐪兼槸鏅剁姸浣撴洸搴﹀彉鍘氾紝鎶樺厜鑳藉姏澶己閫犳垚鐨勶紝B椤规纭傝繎瑙嗙溂鐪嬭繎澶勭殑鐗╀綋娓呮櫚锛岃繙澶勭殑鐗╀綋鎴愬儚鍦ㄨ缃戣啘鐨勫墠鏂癸紝鐪嬩笉娓呮櫚锛孋椤规纭傜敱浜庤繎瑙嗙溂鐨勬姌鍏夎兘鍔涘己锛屾彁鍓嶄細鑱氾紝鎵浠ョ煫姝h繎瑙嗗簲鎴村彂鏁i忛暅锛屽嵆鍑归忛暅锛孌椤归敊璇
绛旓細鎴戜滑鐪嬪埌鐨勫浘鍍忔渶缁鏄缁忚繃澶ц剳澶勭悊浜嗙殑锛屽ぇ鑴戝鐪肩潧瑙嗙綉鑶滀笂鐨勫儚杩涜浜嗗鐞
绛旓細鏁呯瓟妗堜负锛氬掔珛锛屽嚬閫忛暅銆傚綋鐗╀綋鍦2鍊嶇劍璺濅互澶栨椂锛岀墿浣撴垚鐨勫儚鏄掔珛銆佺缉灏忕殑瀹炲儚锛涜繎瑙鐪兼槸鍥犳櫠鐘朵綋鏇插害鍙樺ぇ锛屼細鑱氳兘鍔涘寮猴紝鍗虫姌鍏夎兘鍔涘寮猴紝鍍忔垚鍦ㄨ缃戣啘鐨勫墠鏂癸紝搴斾僵鎴村嚬閫忛暅锛浣垮厜绾挎帹杩熶細鑱氥傚浜庡厜婧愶紙鏈韩鍙戝厜鐨勭墿浣擄級,瀹冪殑鍏夋槸鐩存帴杩涘叆浜虹殑鐪肩潧,瀵逛簬闈炲厜婧愮墿浣擄紝鏄弽灏勫埌浜虹殑鐪肩潧閲岀殑銆
绛旓細鍙槸浜虹殑澶ц剳缁忚繃澶勭悊涔嬪悗鎶婂畠鍙樻垚浜嗘绔嬬殑鍥惧儚锛岃屼笖闄勪笂浜嗙珛浣撴晥鏋溿備娇鐢ㄧ溂闀滃彧鏄敼鍙樺厜鐨勬姌灏勭▼搴︼紝骞朵笉浼氭敼鍙樻垚鍍忕殑鏂瑰悜 杩戣鐪兼槸鐢变簬鐪肩悆鍙樺舰鑰屽鑷寸殑锛屼富瑕佹槸瑙嗙綉鑶滅殑鐩稿浣嶇疆鍚庨锛屽鑷村厜绾垮湪瑙嗙綉鑶滃墠闈㈡垚鍍忥紝鎵浠ュ鏋滆鐪嬫竻涔︿笂鐨勫瓧锛屽簲璇ュ皢涔﹂潬杩鐪肩潧锛浣垮瓧鍙嶅皠鍑虹殑鍏夌嚎鎶曞埌瑙嗙綉鑶滀笂銆
绛旓細鐪肩潧鐨勬櫠鐘跺嚫鍜岃鑶滅殑鍏卞悓浣滅敤鐩稿綋浜庝竴涓鍑搁忛暅锛屾妸瀹冩潵鑷墿浣撶殑鍏変細鑱氬湪瑙嗙綉鑶滀笂锛屽舰鎴愮殑 缂╁皬鍊掔珛瀹炲儚锛
绛旓細杩戣鐪肩殑鏅剁姸浣撴妸鍏夌嚎浼氳仛鍦ㄨ缃戣啘涔嬪墠锛屽彲浠ョ湅娓呰繎澶勭殑鐗╀綋锛屼絾杩滃鐨勭墿浣撳垯鐪嬩笉娓咃紟闇瑕佷僵鎴村嚬閫忛暅杩涜鐭锛屽埄鐢ㄥ嚬閫忛暅鐨勫彂鏁d綔鐢紝鎶婂厜绾跨殑浼氳仛鐐圭Щ鍒拌缃戣啘涓婏紝鍛堢幇涓涓竻鏅扮殑鍍忥紱褰撳皬鏄庤蛋杩涢粦鏉挎椂锛岀墿璺濆噺灏忥紝鍍忚窛澧炲ぇ锛庢晠绛旀涓猴細杩戣锛涚墿锛涘儚锛涘嚬锛
绛旓細閭d箞杩涘叆浠鐪肩潧鐨勫厜绾垮氨浼氭眹鑱氳捣鏉ャ
绛旓細杩滅鑳跺嵎銆佸睆骞曘傦紙涓夛級鏀惧ぇ闀滐細1銆佹斁澶ч暅鏄嚫閫忛暅锛2銆佺墿浣撳埌閫忛暅鐨勮窛绂伙紙鐗╄窛锛夊皬浜庝竴鍊嶇劍璺濓紝鎴愭斁澶с佹绔嬬殑铏氬儚锛涙敞锛氳璁╃墿浣撴洿澶э紝锛堝洓锛鐪肩潧:1銆佺溂鐫涚殑鏅剁姸浣鐩稿綋浜庡嚫閫忛暅锛瑙嗙綉鑶滅浉褰撲簬鍏夊睆锛堣兌鍗凤級锛2銆佽繙瑙嗙溂鐪嬩笉娓呰繎澶勭殑鐗╀綋锛岃繎澶勭殑鐗╀綋鎵鎴愬儚鍦ㄨ缃戣啘鍚庨潰锛岄渶鎴村嚫閫忛暅璋冭妭锛...
绛旓細鏈汉浠ヤ负锛屼笉浼氭竻鏅般傝В閲婂涓嬶細浜虹溂鐨勬櫠鐘朵綋鐩稿綋浜庡嚫閫忛暅锛姝e父浜虹溂鐨勮繎鐐逛负10鍘樼背锛屽彧鏈夊綋鐗╀綋浣嶄簬鐪肩潧鐨勮繎鐐逛互澶栵紝鎵嶈兘琚湅娓呮銆傝湣鐑涢忚繃鍑搁忛暅鍦ㄥ厜灞忎笂褰㈡垚娓呮櫚鐨勫疄鍍忥紝濡傛灉鎶婃甯镐汉鐪兼斁鍦ㄥ師鍏夊睆浣嶇疆锛岀敱浜庤繖瀹炲儚鐩稿瑙傚療鑰呯殑鐪肩潧鏉ヨ锛岀浉褰撲簬琚瀵熺殑鐗╀綋锛岃屾鏃垛滅墿浣撯濅綅浜庣溂鐫涚殑杩戠偣浠ュ唴锛屾墍浠ユ棤娉...
绛旓細浜虹溂鐨勬櫠鐘朵綋鐩稿綋浜庡嚫閫忛暅锛瑙嗙綉鑶滅浉褰撲簬鍏夊睆锛庢櫠鐘朵綋涓庤缃戣啘涔嬮棿鐨勮窛绂讳笉鍙橈紝浜虹殑鐪肩潧鏄闈犺皟鑺傛櫠鐘朵綋鐨勫钩鍑哥▼搴︽敼鍙樼劍璺濇潵鑾峰緱鍊掔珛銆佺缉灏忕殑瀹炲儚鐨勶紟骞跺悓鏃朵骇鐢熺缁忓啿鍔紝娌胯绁炵粡浼犲叆澶ц剳鐨眰鐨勮瑙変腑鏋紝浠庤屽舰鎴愯瑙夛紟鏁呯瓟妗堜负锛氭櫠鐘朵綋锛涘掔珛锛涚缉灏忥紱瀹烇紱瑙嗚涓灑锛