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Outside a nucleus....

Outside a nucleus.

A

Neutron is stable

B

Proton and neutron both are stable

C

Neutron is unstable

D

Neither neutron nor proton is stable

Text Solution

Verified by Experts

The correct Answer is:
C
Because it is neutral.
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ERRORLESS-ATOMIC AND NUCLEAR PHYSICS-NCERT BASED QUESTIONS (Nucleus, Nuclear Reaction)
  1. Size of nucleus is of the order of

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  2. Outside a nucleus.

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  3. The nuclei of which one of the following pairs of nuclei are isotons ?

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  4. The set which represents the isotope , isobar and isotone respectively...

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  5. Mn and Mp represent mass of neutron and proton respectively. If an ele...

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  6. If the binding energy per nucleon in L i^7 and He^4 nuclei are respect...

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  7. When .92 U^235 undergoes fission, 0.1 % of its original mass is change...

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  8. An alpha particle (.^(4)He) has a mass of 4.00300 amu. A proton has a ...

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  9. When and electron-positron pair annihilates, the energy released is ab...

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  10. The binding energy per nucleon of deuterium and helium atom is 1.1 MeV...

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  11. Fission of nuclei is possible because the binding energy per nuclei in...

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  12. Using the following data .Mass hydrogen atom = 1.00783 u Mass of neutr...

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  13. The power obtained in a reactor using U^(235) disintergration is 1000k...

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  14. U^238 decays into Th^234 by the emission of an a-particle. There follo...

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  15. निम्न आकड़ों m(""(20)^(40)Ca)=39.962591u,m(""(2)^(41)Ca)=40.962278u,m(n...

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  16. The masses of neutron and proton are 1.0087 a.m.u. and 1.0073 a.m.u. r...

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  17. The following fusion reaction take place 21^2Ararr2^3B+n+3.27 MeV. If...

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  18. In a fission reaction .92^236 U rarr ^117 X + ^117Y + n + n, the bindi...

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  19. Mass numbers of the elements A , B , C and D are 30 , 60 , 90 and 120...

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  20. In a nuclear fusion reaction, two nuclei, A & B , fuse to produce a nu...

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