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Physics - Modern Physics Question with Solution | TestHub

PhysicsModern PhysicsRadioactivityEasy2 minPYQ_2022

PhysicsEasysingle choice

The half of a radioactive substance is 25 minutes The time between $50%$ decay and $87.5%$ decay of the substance will be

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Solution:

For $50%$ decay, time is equal to one half-life. For $87.5%$ decay, time is three half - lives. $∴$ Time interval $Δ t = 2$ half - lives. $Δ t = 2 \times 25 min = 50 min$

Stream:MHT_CETSubject:PhysicsTopic:Modern PhysicsSubtopic:Radioactivity

⏱ 2mℹ️ Source: PYQ_2022

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