Page 134 - 高中物理选择性必修3
P. 134
Ï. A°fã;Y<.³êE^%AÌ,PrMüý%^sj1¬<.òøQRÌn01
A5Dgh,1#ÌnÎO§k®A.
!
"
#
$
%
&
'
%
&
(
5 - 5 - 6 Aúð"#
Ú
56:2017 A 5 25 ù,“ )*&V”}¸+ã±Ì×¥———ÄAX 5 VW3,É
|4-./},×¥®Bqîÿ'Qhk}ÿ'. !AXôj,A°fãÏÎ%AÌÿ
9/XÌ,A°fã%×ñ0D2Éòj1µ¶xA0Uý¸÷°f,ÏÎm^sAÌ.
7
235 U A¸÷(ÌÏÎ 200 MeV %Ìs,ë1 1 kg üÃÎm%Ìs/ 2 94 × 10 J.
õÕ&· 92 13 广东教育出版社
þ£*sWì@í9|}¸÷ÏÎ%Ìs5ë1üÏÎ%Ìs%Æã.
235 U {,¶ 1 kg 235
78:][ 1 kg C 92 92 U 6{ 1 kg :w
MCxe.
9:1 kg 235 U :%01*o
92
M 1 23 24
N = N = × 6 02 × 10 = 2 6 × 10 .
A
m 0 235
mol
P 200 MeV "# 3 2 × 10 - 11 J,
Q 1 kg 9|}¸÷ÏÎÌs
E = 8 3 × 10 J,
1
ÃÏÎ%Ìs"#|}ë1%ü%6s
E 1
6
m = = 2 8 × 10 kg = 2800 t.
ü
q
¨+±©T5r{T@AõC¥ “ 7”.
,23©¨+C2/0,9Í©¨+C2 '.
. 128 .