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Some radioactive nucleus may emit....

Some radioactive nucleus may emit.

A

All the three `alpha,beta` and `gamma` simultaneously

B

Only `alpha` and `beta` simultaneously

C

All the three `alpha,beta and gamma` one after another

D

`gamma` along with `alpha` or `beta` particles

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The correct Answer is:
D
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AAKASH INSTITUTE-NUCLEI-Assignment Section A Objective (One option is correct )
  1. In any fission the ratio ("mass of fission produts")/("mass of paren...

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  2. In a radioactive substance at t = 0, the number of atoms is 8 xx 10^4....

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  3. Some radioactive nucleus may emit.

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  4. The percentage of quantity of a radioactive material that remains afte...

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  5. Beta rays emitted by a radicactive material are

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  6. Alpha rays emitted from a radioactive substance are

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  7. In the given reaction .z X^A rarr .(z+1)Y^A rarr .(z-1) K^(A - 4) ra...

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  8. The radioactivity of a certain radioactive element drops to 1//64 of i...

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  9. If T is the half-life of a radioactive material, then the fraction tha...

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  10. The half-life of a radioactive element which has only (1)/(32) of its ...

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  11. The life-life of Bi^210 is 5 days. What time is taken by (7//8)^th par...

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  12. A radioactive nucleus undergoes a series of decay according to the sch...

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  13. Half-life of radioactive element depend upon

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  14. The half-life period of a radioactive substance is 5 min. The amount o...

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  15. Half-lives of two radioactive substances A and B are respectively 20 m...

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  16. Half-life of a radioacitve element is 10 days. The time during which q...

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  17. An element A decays into element C by a two-step process : A rarr B ...

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  18. During mean life of a radioactive element, the fraction that disintegr...

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  19. The half-life of a radioactive substance against alpha-decay is 1.2 xx...

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  20. The activity of a sample of a radioactive meterial is A1 , at time t1 ...

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