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+1 vote
7.8k views
in Physics by (38.4k points)

For a certain radioactive process the graph between In R and t(sec) is obtained as shown in the figure. Then the value of half life for the unknown radioactive material is approximately :

(1) 9.15 sec

(2) 6.93 sec

(3) 2.62 sec

(4) 4.62 sec

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1 Answer

+1 vote
by (40.3k points)

Correct option is (4) 4.62 sec

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