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What is decay constant of a …

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What is decay constant of a radioactive nucleus

    • Posted by Kashish Khatana 6 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Yogita Ingle 6 years, 2 months ago

    Radioactive decay constant (λ) is the reciprocal of time during which the number of atoms in the radioactive substance reduced to 36.8% of the original number of atoms in it.

    (i) Y-rays are similar to X-rays

    (ii) Penetration power of α-ray is less then that of β and Y -rays so Y-rays are easily absorbed by matter.

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