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The mass number of a nuclide is 64. What...

The mass number of a nuclide is 64. What is its nuclear radius?

A

`1` fermi

B

`5.2` fermi

C

`6.5` fermi

D

`3.8` fermi

Text Solution

Verified by Experts

The correct Answer is:
`(b)`
`r = (1.3xx10^(-13))A^(1//3)` where `A` is mass no.
`:. R = (1.3xx10^(-13)) (64)^(1//3) = 5.2xx10^(-13) cm` ir `5.2` fermi.
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P BAHADUR-RADIO ACTIVITY-Exercies 3A
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  2. The nucler reacion, .(29)^(63)Cu + .(2)^(4)He rarr .(17)^(37)Cl + 14...

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  3. The mass number of a nuclide is 64. What is its nuclear radius?

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  4. In the nuclear chain ractio: .(92)^(235)U + .(0)^(1)n rarr .(56)^(1...

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  5. One mole of A present in a closed vessel undergoes decay as: .(Z)^(A...

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  6. The half life of .^(131)I is 8day. Given a sample of .^(131)1 at t = 0...

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  7. Number of neutrons i8n a parent nucleus X, which gives .(7)^(14)N afte...

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  8. The activity fo a radio nuclide (.^(100)X) is 6.023 cuire. If the d...

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  10. A radioactive element A decays with a decay constant lambda. The fract...

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  11. Which of the following can show gamma- emission?

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  12. gamma radiations form a radioactive element may be produced:

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  13. Which of the following statement is wrong?

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  14. Which of the following statements is wrong?

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  15. Which of the following statements is wrong?

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  16. If E(e) is the energy needed to remove an electron from atom and E(n) ...

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  17. Nuclear reacations either exoeerge or endoregic shows the exchange of:

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  18. The reaction, .(13)^(27)Al + .(2)^(4) He rarr .(14)^(30)S + .(1)^(1)H:

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  19. .(6)^(11) C on decay produces:

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  20. One important source of energy of volacans erruption is:

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