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Tritium has a half-life of 12.5 y underg...

Tritium has a half-life of 12.5 y undergoing beta decay. What fraction of sample of pure tritium will remain undecayed after 25 y.

A

One half

B

One fourth

C

One third

D

Three fourth

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • Tritium has a half-life of 12.5 yr undergoing beta decay .Fraction of sample remaining undecayed after 25 yr will be

    A
    `1/8`
    B
    `1/2`
    C
    `1/4`
    D
    `1/16`

  • The half - life of radium is 6400 years . The fraction of a sample of radium that would remain undecayed after 6400 years is

    A
    `(1)/(2)`
    B
    `(1)/(4)`
    C
    `(1)/(8)`
    D
    `(1)/(16)`

  • The half-life of tritium is 12.5 years. What mass of tritium of initial mass 64 mg will remain undecayed after 50 years?

    A
    32 mg
    B
    8 mg
    C
    16 mg
    D
    4 mg

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