1.若某一核種每天蛻變1%,則該核種的半衰期(T1/2)約為多少天?
(A)7
(B)35
(C)69
(D)105
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統計: A(68), B(60), C(1830), D(16), E(0) #1384304
統計: A(68), B(60), C(1830), D(16), E(0) #1384304
詳解 (共 3 筆)
#4437173
0.693/0.01=69.3
2
0