ÌâÄ¿ÄÚÈÝ
ÔÚ×ö¡°Ì½¾¿Í¹Í¸¾µ³ÉÏñ¹æÂÉ¡±µÄʵÑéʱ£º
£¨1£©Ð¡Ã÷·¢ÏÖËùÓõÄ͹͸¾µÃ»ÓбêÃ÷½¹¾à£¬ÓÚÊÇËûÈÃÌ«Ñô¹âƽÐÐÓÚÖ÷¹âÖáÕÕÉäÔÚ͹͸¾µÉÏ£¬ÔÚ͸¾µÁíÒ»²àFµãµÃµ½Ò»¸ö×îСµÄÁÁµã£¬ÈçͼËùʾ£®ÊÔ×÷³öÕâÒ»¹ý³ÌµÄ¹â·ͼ£®
£¨2£©ÇëÓÿ̶ȳßÁ¿³ö͹͸¾µµÄ½¹¾à£ºf=________cm£®
£¨3£©Ð¡Ã÷½«¸Ã͹͸¾µ·ÅÔÚ¹â¾ß×ùÉϽøÐÐʵÑ飬À¯Öò¡¢Í¹Í¸¾µ¡¢¹âÆÁÔÚ¹â¾ß×ùÉϵÄλÖÃÈçͼËùʾ£¬ÆäÖÐÃ÷ÏÔ»¹ÐèÒªµ÷ÕûµÄÊÇ________£®µ÷Õûºó£¬ÔÚ¹âÆÁÉÏÇ¡ºÃµÃµ½Ò»¸öÇåÎúµÄÀ¯ÖòµÄÏñ£¬ÇëÄãÏ꾡µØÃèÊöÕâ¸öÏñµÄÌص㣺________£®
£¨4£©´Ëʱ£¬Ð¡Ã÷°Ñ×Ô¼ºµÄ½üÊÓÑÛ¾µ·ÅÔÚÀ¯ÖòºÍ͹͸¾µÖ®¼äÇÒ¿¿½ü͹͸¾µµÄλÖ㬽á¹û¹âÆÁÉÏÔÀ´ÇåÎúµÄÏñ±äÄ£ºýÁË£¬Èô²»¸Ä±äÀ¯ÖòºÍ͹͸¾µµÄλÖã¬Ó¦½«¹âÆÁÏò________͹͸¾µµÄ·½ÏòÒƶ¯£¨Ô¶Àë/¿¿½ü£©£¬²ÅÄÜʹÀ¯ÖòµÄÏñ±äÇåÎú£®´ËʵÑé˵Ã÷½üÊÓÑÛÅä´÷ºÏÊʵĽüÊÓÑÛ¾µÄܽÃÕýÊÓÁ¦µÄÔÒòÊÇ________£®
½â£º£¨1£©Òò͹͸¾µÄÜʹƽÐÐÓÚÖ÷¹âÖáµÄ¹â»á¾ÛÔÚÒ»µã£¬´ËµãΪ½¹µã£¬¶ø½¹µãµ½¹âÐĵľàÀëΪ½¹¾à£®
£¨2£©Í¨¹ý²âÁ¿µÃµ½f=4.68cm
£¨3£©ÎªÊ¹Ëù³ÉÏñÄÜÔÚ¹âÆÁµÄÖÐÐÄ£¬±ØÐëʹÖòÑ桢͹͸¾µ¡¢¹âÆÁµÄÖÐÐÄÔÚͬһ¸ß¶ÈÉÏ£®
ÈçͼËùʾ£¬¹âÆÁÓÐЩ¸ßÁË£¬¹Ê´ð°¸Îª£º¹âÆÁµÄ¸ß¶È£¬Ê¹ÈýÕßÖÐÐÄÔÚͬһ¸ß¶ÈÉÏ£»
´ËʱÖòÑ浽͹͸¾µµÄ¾àÀë¼´Îï¾àΪ12cm£¬´óÓÚ¶þ±¶½¹¾à£¨2f=9.36cm£©£¬¹Ê´ð°¸Îª£ºµ¹Á¢¡¢ËõС¡¢ÊµÏñ£®
£¨4£©Òò°¼Í¸¾µ¶Ô¹âÏßÓз¢É¢×÷Ó㬻áʹËù³ÉµÄÏñÏòºó£¬ÄDZØÐëʹ¹âÆÁÏòºó²ÅÄܵõ½ÇåÎúµÄÏñ£®
¹Ê´ð°¸Îª£ºÔ¶À룬ÄÜ°ÑÊÓÍøĤǰµÄÏñ³ÉÔÚÊÓÍøĤÉÏ£®
·ÖÎö£º¸ù¾Ý͹͸¾µ¶Ô¹âÏߵĻá¾Û×÷ÓÃÒÔ¼°½¹¾àµÄ¶¨Ò壬±ã¿É²â³ö͹͸¾µµÄ½¹¾à£®
ΪʹËù³ÉÏñÄÜÔÚ¹âÆÁµÄÖÐÐÄ£¬±ØÐëʹÖòÑ桢͹͸¾µ¡¢¹âÆÁµÄÖÐÐÄÔÚͬһ¸ß¶ÈÉÏ£®
µ±ÎïÌå·ÅÔÚ¶þ±¶½¹¾àÖ®Íâʱ£¬ÔÚÆÁÉÏËù³ÉµÄÏñÊǵ¹Á¢ËõСµÄʵÏñ£¬
½üÊÓÑÛ¾µÊµ¼ÊÉÏÒ»¸ö°¼Í¸¾µ£¬¶ø°¼Í¸¾µ¶Ô¹âÏßÓз¢É¢×÷Óã®
µãÆÀ£º±¾ÌâÖ÷Òª¿¼²éÁËÈçºÎ²âÁ¿½¹¾à£¬ÊµÑé×¢ÒâÊÂÏîÒÔ¼°Í¹Í¸¾µµÄ³ÉÏñ¹æÂÉ£¬½üÊÓÑÛ¾µµÄÔÀí£®
£¨2£©Í¨¹ý²âÁ¿µÃµ½f=4.68cm
£¨3£©ÎªÊ¹Ëù³ÉÏñÄÜÔÚ¹âÆÁµÄÖÐÐÄ£¬±ØÐëʹÖòÑ桢͹͸¾µ¡¢¹âÆÁµÄÖÐÐÄÔÚͬһ¸ß¶ÈÉÏ£®
ÈçͼËùʾ£¬¹âÆÁÓÐЩ¸ßÁË£¬¹Ê´ð°¸Îª£º¹âÆÁµÄ¸ß¶È£¬Ê¹ÈýÕßÖÐÐÄÔÚͬһ¸ß¶ÈÉÏ£»
´ËʱÖòÑ浽͹͸¾µµÄ¾àÀë¼´Îï¾àΪ12cm£¬´óÓÚ¶þ±¶½¹¾à£¨2f=9.36cm£©£¬¹Ê´ð°¸Îª£ºµ¹Á¢¡¢ËõС¡¢ÊµÏñ£®
£¨4£©Òò°¼Í¸¾µ¶Ô¹âÏßÓз¢É¢×÷Ó㬻áʹËù³ÉµÄÏñÏòºó£¬ÄDZØÐëʹ¹âÆÁÏòºó²ÅÄܵõ½ÇåÎúµÄÏñ£®
¹Ê´ð°¸Îª£ºÔ¶À룬ÄÜ°ÑÊÓÍøĤǰµÄÏñ³ÉÔÚÊÓÍøĤÉÏ£®
·ÖÎö£º¸ù¾Ý͹͸¾µ¶Ô¹âÏߵĻá¾Û×÷ÓÃÒÔ¼°½¹¾àµÄ¶¨Ò壬±ã¿É²â³ö͹͸¾µµÄ½¹¾à£®
ΪʹËù³ÉÏñÄÜÔÚ¹âÆÁµÄÖÐÐÄ£¬±ØÐëʹÖòÑ桢͹͸¾µ¡¢¹âÆÁµÄÖÐÐÄÔÚͬһ¸ß¶ÈÉÏ£®
µ±ÎïÌå·ÅÔÚ¶þ±¶½¹¾àÖ®Íâʱ£¬ÔÚÆÁÉÏËù³ÉµÄÏñÊǵ¹Á¢ËõСµÄʵÏñ£¬
½üÊÓÑÛ¾µÊµ¼ÊÉÏÒ»¸ö°¼Í¸¾µ£¬¶ø°¼Í¸¾µ¶Ô¹âÏßÓз¢É¢×÷Óã®
µãÆÀ£º±¾ÌâÖ÷Òª¿¼²éÁËÈçºÎ²âÁ¿½¹¾à£¬ÊµÑé×¢ÒâÊÂÏîÒÔ¼°Í¹Í¸¾µµÄ³ÉÏñ¹æÂÉ£¬½üÊÓÑÛ¾µµÄÔÀí£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿