Physics - Modern Physics Question with Solution | TestHub
PhysicsModern PhysicsRadioactivityMedium2 minQB
PhysicsMediumsingle choice
90% of the active nuclei present in a radioactive sample are found to remain undecayed after 1day. The percentage of the undecayed nuclei left after two days will be :
Options:
Answer:
B
Solution:
10% decay in and days. so another 10% decay is one days so so left will 81% ]
Stream:JEESubject:PhysicsTopic:Modern PhysicsSubtopic:Radioactivity
⏱ 2mℹ️ Source: QB
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