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In the nuclear reaction .92 U^238 rarr ....

In the nuclear reaction `._92 U^238 rarr ._z Th^A + ._2He^4`, the values of `A` and `Z` are.

A

A=234 , Z=94

B

A=238, Z=90

C

Z=238, Z=94

D

A=234 , Z=90

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The correct Answer is:
D
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AAKASH INSTITUTE-NUCLEI-Assignment Section A Objective (One option is correct )
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  4. The number of neutrons released when .92 U^235 undergoes fission by ab...

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  6. The binding energy of nucleus is a measure of its.

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  8. 1 atomic mass unit is equal to

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  9. A nucleus of .84^210 Po originally at rest emits alpha particle with s...

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  10. The curve of blinding energy per nucleon as a function of atomic mass ...

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  11. The atoms of same element having same chemical properties but differen...

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  12. Which of the following is most unstable

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  13. In any fission the ratio ("mass of fission produts")/("mass of paren...

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

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  15. Some radioactive nucleus may emit.

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

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  17. Beta rays emitted by a radicactive material are

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  18. Alpha rays emitted from a radioactive substance are

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