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What is meant by average life of a radioactive element? Derive an expression for it.

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Knowledge Check

  • Half-life of radioactive element depend upon

    A
    amount of element present
    B
    temperature
    C
    pressure
    D
    nature of element

  • Half-life period for radioactive element is

    A
    Always constant
    B
    Variable
    C
    Independent of final concentrationn
    D
    Independent of initial concentration

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