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Which one of the following nuclei has sh...

Which one of the following nuclei has shorter mean life?

A

C

B

A

C

Same for all

D

B

Text Solution

Verified by Experts

The correct Answer is:
B
(b): As `(dN)/(dt)` (activity) drops sharply in case of A so disintegration constant `lamda` is high for A. Average life (Mean life) = `1/(lamda)`
So, average life will be shortest for A.
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Knowledge Check

  • Which of the following nuclei is unstable ?

    A
    `""_(5)^(10)B`
    B
    `""_(4)^(10)Be`
    C
    `""_(7)^(14)N`
    D
    `""_(8)^(16)O`

  • Which one of the following has its own DNA?

    A
    Mitochondria
    B
    Dictyosome
    C
    Lysosome
    D
    Peroxisome

  • Which one of the following has an optical isomer

    A
    `[Co(en)_3]^3+`
    B
    `[Co(H_2O)_4(en)]^+3`
    C
    `[Zn(en)_2]^2+`
    D
    `[Zn(en)NH_3_2]^2+`

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