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An element X decays into element Z by tw...

An element X decays into element Z by two -steps process
`X to Y + He_(2)^(4)`
`Y to Z +2e` then

A

A and C are isotopes

B

A and C are isobars

C

B and C are isotopes

D

A and B are isobars

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The correct Answer is:
A
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DISHA PUBLICATION-NUCLEI-EXERCISE - 1 CONCEPT BUILDER
  1. Three alpha-particle and one beta-particle decaying takes place in ser...

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  2. In radioactive transformation ""(92)U^(235) to ""(82)Pb^(206) , the nu...

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  3. An element X decays into element Z by two -steps process X to Y + He...

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  4. Neutron decay in the free space is given follows: .0n^1 rarr. 1H^1 +...

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  5. A radioactive element X converts into another stable elemnet Y. Half-l...

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  6. A radioactive sample contains 10^(-3) kg each of two nuclear species A...

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  7. Two radioactive materials X1 and X2 have decay constants 10 lamda and ...

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  8. If N(0) is the original mass of the substance of half - life period t(...

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  9. A radioactive sample at any instant has its disintegration rate 5000 d...

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

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  11. A nuclear transformation is denoted by X(n,alpha) rarr. (3)^(7)Li. Whi...

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  12. Using a nuclear counter the count rate of emitted particles from a rad...

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  13. In a smaple of rock, the ration .^(206)Pb to .^(238)U nulei is found ...

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  14. A radioactive sample with a half-life of 1 month has the label : 'Acti...

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  15. The count rate of a Geiger Muller counter for the radiation of a radio...

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  16. The half-life of .^215At is 100mus. The time taken for the activity of...

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  17. There are n number of radioactive nuclei in a sample that undergoes be...

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  18. The half life of a radio isotope is 5 years . The fraction which will ...

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

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  20. In gamma ray emission from a nucleus

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