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The C^(14) to C^(12) ratio in a certain ...

The `C^(14)` to `C^(12)` ratio in a certain piece of wood is `25%` of that in atmosphere. The half life period of `C^(14)` is `5,580` years. The age of wood piece is ( in years)

A

`5,580`

B

2790

C

1395

D

`11,160`

Text Solution

Verified by Experts

The correct Answer is:
D
`N= N_(0) e ^(-lamda t)`
`lamda = lamda _(1) + lamda _(2)`
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NARAYNA-NUCLEI -EXERCISE-4
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  2. 20% of a radio active element disintergrates in 1 hr. The percentage o...

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  3. The C^(14) to C^(12) ratio in a certain piece of wood is 25% of that i...

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  4. A radiactive sample decays by two different processes .Half - life for...

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  5. The age of the wood if only 1//16 part of original C^(14) is present ...

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  6. A piece of wood is found to have the (C^(14))/(C^(12)) ratio to be 0.5...

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  7. A piece of wood collected from cro-Magnon caves gave 4 disintergration...

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  10. The half life of a radioactive substance is 20 minutes . The approxima...

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  12. Uranium- 238 decays to thorium-234 with half-life 5xx10^(9) yr. The re...

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  13. A sample of radioactive material has mass m, decay constant lambda, an...

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  14. If m g of a radioactive species (molar mass M) has decay constant lamb...

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  15. In moon rock sample the ratio of the number of stable argon-40 atoms p...

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  16. The half-life of a radioactive sample is T. If the activities of the s...

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  17. Consider a hypothetical annihilation of a stationary electron with a s...

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  18. A radioactive nucleus can decay by two different processes. The half l...

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