In a sample of radioactive material, the probability that a particular nucleus will decay in next 2 hour is 8 \\times10^{-4}. Find the half-life of the radioactive sample [Take \ln 2=0.693, \ln (0.9992)=-8 \\times10^{-4}]

JEE Advanced 2021 Full Test 2 Paper 2

SECTION – C (Numerical Answer Type)
This section contains 06 questions. The answer to each question is a NUMERICAL VALUE. For each question, enter the correct numerical value (in decimal notation, truncated/rounded-off to the SECOND DECIMAL PLACE; e.g. XXXXX. XX).

Question : 13 of 54

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In a sample of radioactive material, the probability that a particular nucleus will decay in next 2 hour is 8×10−4. Find the half-life of the radioactive sample [Take ln‌2=0.693,ln(0.9992)=−8×10−4]

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