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JEE Main 2022 Physics question

PhysicsNucleiJEE Main 2022

The disintegration rate of a certain radioactive sample at any instant is 4250 disintegrations per minute. 10 minutes later, the rate becomes 2250 disintegrations per minute. The approximate decay constant is (Take )

Answer: (3)

Solution

, so , i.e. =

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Question ID VK-025106