TS EAMCET Medical 2018 May 2 Shift 1 Paper
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Question : 117 of 160
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A hypothetical radioactive element has a half-life of 20 years. The time it takes for 80% of the substance to decay is
(In 5 = 1.6, In 2 = 0.7)
(In 5 = 1.6, In 2 = 0.7)
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