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The number of beta- particle emitted dur...

The number of `beta-` particle emitted during the change `._(a)X^(c ) rarr _(d)Y^(b)` is

A

`(a-b)/(4)`

B

`d + [(a-b)/(2)] + c`

C

`d + [(c - b)/(2)] -a`

D

`d + [(a-b)/(2)] - c`

Text Solution

Verified by Experts

The correct Answer is:
`(c)`
`._(0)^(C)X rarr ._(d)^(b)Y + m ._(2)^(4)He + n ._(-1)^(0)e`
`:. C = b + 4m`
`:. M = (c-b)/(4)` and `a = d + 2m - n`
`:. n = d + 2m - a = d + [(c-b)/(2)] - a`
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P BAHADUR-RADIO ACTIVITY-Exercies 3A
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  2. A radioactive isotope has initial activity of 28 dpm Its activity is r...

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  3. The number of beta- particle emitted during the change .(a)X^(c ) rarr...

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

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

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

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

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

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

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  11. Sulphur 35(34,96903 amu) emits a beta- particles but no gamma-rays. Th...

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

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

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

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  16. Which of the following statements is wrong?

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

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

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

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