Physics > 2004 > 19
JAMB UTME
A radio isotope has a decay constant of 10-7s-1. The average life of the radio isotope is
A.
6.93 x 108s
B.
1.00 x 10-7s
C.
1.00 x 107s
D.
6.93 x 107s
Answer: D
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