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A radioactive sample emits n β-particles in 2 sec. In next 2 sec it emits 0.75 n β-particle, what is the mean life of the sample ?

A radioactive sample emits n β-particles in 2 sec. In next 2 sec it emits 0.75 n β-particle, what is the mean life of the sample ? 

Grade:upto college level

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
9 years ago
Hello Student,
Please find the answer to your question
(a) eV0 = hv – hv0 = 5 – 3 = 2 eV
∴ V0 = 2 volt.
(b) Note : When the intensity is doubled, the saturation current is also doubled,
Thanks
Navjot Kalra
askIITians Faculty

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