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A nucleus .n^mX emits one alpha particle...

A nucleus `._n^mX` emits one `alpha` particle and two `beta^-` particles .The resulting nucleus is

A

`._(n-4)^(m-6)Z`

B

`._n^(m-6)Z`

C

`._n^(m-4)X`

D

`._(n-2)^(m-4)Y`

Text Solution

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The correct Answer is:
C
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CHHAYA PUBLICATION-ATOMIC NUCLEUS-EXERCISE
  1. The half-life of a radioactive substance is 20 min. The approximate t...

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  2. The half-life of a radioactive isotope X is 50 years . It decays to an...

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  3. A nucleus .n^mX emits one alpha particle and two beta^- particles .The...

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  4. Two radioactive nuclei P and Q in a given sample decay into a stable n...

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  5. Of the following equations which one is the probable nuclear fusion re...

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  6. In the nuclear reaction .7^14N + X to .6^14C + .1^1H the X will be

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  7. Fast moving neutrons are retarded

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  8. In nuclear fusion,

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  9. 4.1H^1 to .2He^4 + 2e^(+)+ 26 MeV : this is an equation of

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  10. The power obtained in a reactor using U^235 disintegration is 1000 kW....

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  11. What is the relation between unified atomic mass unit (u) and electron...

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  12. The mass of a proton or a neutron is nearly 1.67xx10^(-24) g . What i...

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  13. What is the order of magnitude of the density of nuclear matter ?

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  14. What is the difference in the structures of Cl^35 and Cl^37 nuclei?

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  15. What is the relation between the atomic number (Z) and the mass number...

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  16. What is the difference in the properties of the two carbon isotopes C^...

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  17. What is the approximate ratio of the penetrating power of alpha,beta a...

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  18. What is the relation between half-life and decay constant of a radioac...

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  19. When a beta-particle is emitted from the radioactive isotope .15P^32 ,...

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  20. When an alpha - particle is emitted from a uranium nucleus (atomic no....

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