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MHT CET Physics question

PhysicsNucleiMHT CET

Half-life of a radioactive substance is 20 minutes. Difference between points of time when it is 33% disintegrated and 67% disintegrated is approximately

Answer: (B)

Solution

33% disintegrated means 67% remains () and 67% disintegrated means 33% remains

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Question ID VK-084778