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The fraction f of radioactive material t...

The fraction `f` of radioactive material that has decayed in time `t`, varies with time `t`. The correct variation id given by the curve.
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NARAYNA-NUCLEI -EXERCISE-4
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  2. In moon rock sample the ratio of the number of stable argon-40 atoms p...

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

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

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

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  6. A proton with kinetic energy K, strikes another proton at rest. If the...

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  7. The fraction quantity of a radiactive sample will decay during half of...

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  9. A nucleus with mass number 220 initially at rest emits an alpha-partic...

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  10. Some amount of a radioactive substance (half-life= 10 days) is spread ...

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  11. In the options given below, let E denote the rest mass energy of a nuc...

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  12. Four different radioactive elements are kept in separated containers. ...

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  16. The table that follows shows some measurements of the decay rate of a ...

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  17. The fraction f of radioactive material that has decayed in time t, var...

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  18. The rate of decay (R ) of nuclei in a radioactive sample is plotted ag...

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  19. What is the probability of a radioactive nucleus to survive one mean l...

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  20. A radioactive isotope is being produced at a constant rate dN//dt=R in...

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