ÌâÄ¿ÄÚÈÝ
ÒÑÖªÇâÔ×Ó»ù̬µç×Ó¹ìµÀ°ë¾¶r1=0.53¡Á10-10m£¬»ù̬ÄÜÁ¿E1=-13.6eV£®µç×ÓµÄÖÊÁ¿m=0.9¡Á10-30kg£®Çó£º
£¨1£©µç×ÓÈƺËÔËÐеÄËٶȺÍƵÂÊ£®
£¨2£©ÈôÇâÔ×Ó´¦ÓÚn=2µÄ¼¤·¢Ì¬£¬µç×ÓÈƺËÔËÐеÄËٶȣ®
£¨3£©ÓÐһȺÇâÔ×Ó´¦ÓÚÁ¿×ÓÊýn=3µÄ¼¤·¢Ì¬£®»Ò»Äܼ¶Í¼£¬ÔÚͼÉÏÓüýÍ·±êÃ÷ÕâЩÇâÔ×ÓÄÜ·¢³öÄļ¸Ìõ¹âÆ×Ïߣ®
£¨4£©¼ÆËãÕ⼸Ìõ¹âÆ×ÏßÖв¨³¤×î¶ÌµÄÒ»ÌõµÄ²¨³¤£®£¨ÆäÖо²µçÁ¦ºãÁ¿K=9.0¡Á109N?m2/C2£¬µç×ÓµçÁ¿e=1.6¡Á10-19C£¬ÆÕÀʿ˺ãÁ¿h=6.63¡Á10-34J?s£¬Õæ¿ÕÖйâËÙc=3.0¡Á108m/s£©£®
£¨1£©µç×ÓÈƺËÔËÐеÄËٶȺÍƵÂÊ£®
£¨2£©ÈôÇâÔ×Ó´¦ÓÚn=2µÄ¼¤·¢Ì¬£¬µç×ÓÈƺËÔËÐеÄËٶȣ®
£¨3£©ÓÐһȺÇâÔ×Ó´¦ÓÚÁ¿×ÓÊýn=3µÄ¼¤·¢Ì¬£®»Ò»Äܼ¶Í¼£¬ÔÚͼÉÏÓüýÍ·±êÃ÷ÕâЩÇâÔ×ÓÄÜ·¢³öÄļ¸Ìõ¹âÆ×Ïߣ®
£¨4£©¼ÆËãÕ⼸Ìõ¹âÆ×ÏßÖв¨³¤×î¶ÌµÄÒ»ÌõµÄ²¨³¤£®£¨ÆäÖо²µçÁ¦ºãÁ¿K=9.0¡Á109N?m2/C2£¬µç×ÓµçÁ¿e=1.6¡Á10-19C£¬ÆÕÀʿ˺ãÁ¿h=6.63¡Á10-34J?s£¬Õæ¿ÕÖйâËÙc=3.0¡Á108m/s£©£®
£¨1£©¸ù¾Ý¿âÂØÒýÁ¦Ìṩµç×Ó×öÔ²ÖÜÔ˶¯µÄÏòÐÄÁ¦£¬
=
=
v=2.2¡Á106m/s
f=
=6.6¡Á1015Hz
£¨2£©ÈôÇâÔ×Ó´¦ÓÚn=2µÄ¼¤·¢Ì¬£¬
r2=4r1
=
v¡ä=1.1¡Á106m/s
£¨3£©µ±ÇâÔ×Ó´ÓÁ¿×ÓÊýn=3µÄÄܼ¶Ô¾Ç¨µ½½ÏµÍÄܼ¶Ê±£¬¿ÉÒԵõ½3Ìõ¹âÆ×Ïߣ®ÈçͼËùʾ£®
£¨4£©´Ón=3Ïòn=1ԾǨ£¬·¢³öµÄ¹â×ÓƵÂÊ×î´ó£¬²¨³¤×î¶Ì£®
¦Ë=
=1.03¡Á107m
´ð£º£¨1£©µç×ÓÈƺËÔËÐеÄËÙ¶ÈÊÇ2.2¡Á106m/s£®¡¡ÆµÂÊÊÇ6.6¡Á1015Hz
£¨2£©ÇâÔ×Ó´¦ÓÚn=2µÄ¼¤·¢Ì¬£¬µç×ÓÈƺËÔËÐеÄËÙ¶È1.1¡Á106m/s
£¨3£©µ±ÇâÔ×Ó´ÓÁ¿×ÓÊýn=3µÄÄܼ¶Ô¾Ç¨µ½½ÏµÍÄܼ¶Ê±£¬¿ÉÒԵõ½3Ìõ¹âÆ×Ïߣ®ÈçͼËùʾ£®
£¨4£©¹âÆ×ÏßÖв¨³¤×î¶ÌµÄÒ»ÌõµÄ²¨³¤ÊÇ1.03¡Á107m
ke2 |
r2 |
mv2 |
r |
m?4¦Ð2r |
T2 |
v=2.2¡Á106m/s
f=
1 |
T |
£¨2£©ÈôÇâÔ×Ó´¦ÓÚn=2µÄ¼¤·¢Ì¬£¬
r2=4r1
ke2 |
r22 |
mv¡ä2 |
r2 |
v¡ä=1.1¡Á106m/s
£¨3£©µ±ÇâÔ×Ó´ÓÁ¿×ÓÊýn=3µÄÄܼ¶Ô¾Ç¨µ½½ÏµÍÄܼ¶Ê±£¬¿ÉÒԵõ½3Ìõ¹âÆ×Ïߣ®ÈçͼËùʾ£®
£¨4£©´Ón=3Ïòn=1ԾǨ£¬·¢³öµÄ¹â×ÓƵÂÊ×î´ó£¬²¨³¤×î¶Ì£®
¦Ë=
hC |
E3-E1 |
´ð£º£¨1£©µç×ÓÈƺËÔËÐеÄËÙ¶ÈÊÇ2.2¡Á106m/s£®¡¡ÆµÂÊÊÇ6.6¡Á1015Hz
£¨2£©ÇâÔ×Ó´¦ÓÚn=2µÄ¼¤·¢Ì¬£¬µç×ÓÈƺËÔËÐеÄËÙ¶È1.1¡Á106m/s
£¨3£©µ±ÇâÔ×Ó´ÓÁ¿×ÓÊýn=3µÄÄܼ¶Ô¾Ç¨µ½½ÏµÍÄܼ¶Ê±£¬¿ÉÒԵõ½3Ìõ¹âÆ×Ïߣ®ÈçͼËùʾ£®
£¨4£©¹âÆ×ÏßÖв¨³¤×î¶ÌµÄÒ»ÌõµÄ²¨³¤ÊÇ1.03¡Á107m
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿