Page 27 - الفيزياء - الصف الثالث الثانوي - الفصل السادس
P. 27
??????? ( ? : ) 2?????? ?? ???????? ??????? ????????????????????????????????????????????????????????????????????????????????? ????? ( ? : ) 6???????? ???????
?[[? ]21??? ?????? ?????? .????? ??? ????? ?????? ??? ???????? ????? ????? ????? ? 7.34 × 106 m/s?????
?(?)58??
???? ??? ??? ???? ???? (? )X???????? ???? ?.........??
?( ?)me = 9.1 ×10-31 kg , h = 6.67 × 10-34 J.s , C = 3 × 108 m/s??
??8.11 nm ? ???
??0.811 × 10-9 nm ? ???
??0.059 nm ? ???
??5.9×10-10 nm ? ???
????????????????????????????????????????????????????????????????????
?[[? ]22??? ?????? ????? ?????? ?????? ??????? ??? ?????? ????? ?????? ??? ????? ????? ? 70 Ke.V????????
?? 54.5 Ke.V?????? ?????? ? .???? ????? ????? ?????? ????? ??????? ?????? ??????? ??????? ?? ??? ??????? ?(?)59??
?????? ? . .......??? ??? ??? ?h = 6.625 × 10 – 34 J.s ? e = 1.6 × 10 – 19 C ? C = 3 × 108 m/s :??
??1.01 × 10 – 11 m ? ???
??2.28 × 10 – 11 m ? ???
??8.01 × 10 – 11 m ? ???
??8.77 × 10 – 11 m ? ???
???????????????????????????????????????????????????????????????????? ?(?)60??
?[[? ]22??????? ???????? ?? ?????? ????? ?????? ???? ? X??????? ????? ????? (? )5.43 × 10 18 Hz???????
??????? ??? ????? ? ?? ????? ?? ?????? ?? ??????? ?????? ? .????? ?????? (? ) - 1.5 Ke.V?????? ???? ????????
?????? ????? ? :???? ?? ??? ?e = 1.6 × 10 – 19 C , h = 6.625 × 10 -34 J.s , C = 3 × 10 8 m/s :??
??– 24 K e.V ? ???
??– 22.5 K e.V ? ???
??– 27 K e.V ? ???
??– 25.5 K e.V ? ???
????????????????????????????????????????????????????????????????????
?(? )61??? ?????? ????? ? ????? ??? ??? ??? ??? ???? ?????? ??????? ??????? ????? ? . 35 pm???? ??? ????? ???? ????
??. ..............?? ?=? ?????????? ??? ?? ?g????k?? ?1???3?? ??????? ??????????
??= 9.1 × 10?? ?(?
?)? ??C?? ?=? ??3?? ?×? ??108?? ??m/s?? ??,?? ??h?? ?=? ??6.625?? ?×? ??10?? ??-34?? ??J.s?? ??,?? ??me?? ?–?
??1.12 × 10 6 m/s ? ???
??1.12 × 10 7 m/s ? ???
??1.12 × 10 8 m/s ? ???
??1.12 × 10 9 m/s ? ???
?( ??? ?? ???? ??? ??50?? ???? ?Ke.V?? ????? ???????????????????????????????????????????????????????????????????? ????????? ???????? ????? ????? ??? ???? ?(?)62??
???????? ????? ??? ????? ????? ?????? ???????
??) h = 6.625 × 10 –34 J.s , C = 3 × 10 8 m/s??
??12.4 × 10 – 12 m ? ???
??16.5 × 10 – 12 m ? ???
??19.8 × 10 – 12 m ? ???
??24.9 × 10 – 12 m ? ???
????????????????????????????????????????????????????????????????????
????????? ?????????????????????????????????????????????????????????????????4????3????3??????????????????????????????????????? ???? ?????? ????????
